223
+223 is the international calling code for Mali.
- Odd
- Prime
Where 223 fits
Why 223 is special
Mali contains Timbuktu, which held one of the largest collections of medieval manuscripts in Africa. Many were evacuated in secret in 2012 to protect them.
223 is part of
Factors & digit properties
- Divisors (2)
- 1, 223
- Prime factorisation
- 223
- Digit sum
- 7
- Digital root
- 7
Representations
- Decimal
- 223
- Binary
- 11011111
- Octal
- 337
- Hexadecimal
- df
- Roman numeral
- CCXXIII
- Scientific notation
- 2.230 × 10^2
Other mathematical patterns
- Deficient number
- Lucky number (mathematical sieve)
Related numbers & connections
Mauritania and Mali share a long Saharan border. Mauritania was the last country in the world to criminalise slavery, in 2007.
View 222 →Geography
+223 reaches Mali. Tens of thousands of Timbuktu manuscripts were smuggled out of the city in 2012 to protect them from destruction, an operation conducted largely by librarians.
DocumentedGeographyGeography: Mali
Common questions
Is 223 a prime number?
Yes, 223 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 223?
The factors of 223 are 1, 223.
What is 223 in Roman numerals?
223 in Roman numerals is CCXXIII.
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