1923
1923 is the year of German hyperinflation's peak.
- Odd
- Composite
Where 1923 fits
Why 1923 is special
Prices doubled every few days and notes were printed in denominations of billions. The episode shaped German monetary policy for a century afterwards, including the design of the euro's central bank.
Factors & digit properties
- Divisors (4)
- 1, 3, 641, 1923
- Prime factorisation
- 3 × 641
- Digit sum
- 15
- Digital root
- 6
Representations
- Decimal
- 1923
- Binary
- 11110000011
- Octal
- 3603
- Hexadecimal
- 783
- Roman numeral
- MCMXXIII
- Scientific notation
- 1.923 × 10^3
Other mathematical patterns
- Deficient number
- Semiprime
- Lucky number (mathematical sieve)
Related numbers & connections
German hyperinflation peaked in 1923 and the Nazi Party took power in 1933. The connection is argued about and the sequence is not.
View 1933 →Finance & economics
German hyperinflation peaked in 1923 with prices doubling within days. Institutional aversion to inflation shaped the Bundesbank and, through it, the European Central Bank's mandate decades later.
DocumentedFinance & economicsGeography: GermanyPeriod: 1923
Common questions
Is 1923 a prime number?
No, 1923 is not prime.
What are the factors of 1923?
The factors of 1923 are 1, 3, 641, 1923.
What is 1923 in Roman numerals?
1923 in Roman numerals is MCMXXIII.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 1 reviewer-confirmed record, sourced and reviewed before publication.
Last reviewed: 3 August 2026