23 in words
British English
twenty-three
Quick reference
- In figures
- 23
- British English
- twenty-three
- American English
- The same (why they differ)
- Ordinal
- twenty-third (23rd)
- Roman numeral
- XXIII
- Place value
- 2 in the tens column; 3 in the ones column
- Expanded form
- 20 + 3
- Standard form
- 2.3 × 10¹
- Even or odd
- Odd
- Prime factors
- None but itself and one: it is prime
Convert any other number, up to thirty-six digits.