23 in Roman Numerals

XXIII
20 + 3 = 23

XXIII breaks down as XX + III (XX = 20, III = 3), which add up to 23.

How 23 is written in Roman numerals

The number 23 is written XXIII in Roman numerals. Roman numerals use seven letters — I (1), V (5), X (10), L (50), C (100), D (500) and M (1000) — combined from largest to smallest, with subtractive pairs such as IV (4) and IX (9). Need another number? Use the Roman numeral converter or see the 1–100 chart.

Nearby numbers

XXI21 XXII22 XXIV24 XXV25

Popular numbers in Roman numerals

IV4 IX9 X10 XL40 XLIX49 L50 XC90 XCIX99 C100 D500 M1000 MMXXV2025 ☰1–100 chart ⇄Converter

Frequently Asked Questions

What is 23 in Roman numerals?
23 in Roman numerals is XXIII.
How do you write 23 in Roman numerals?
Write 23 as XXIII, combining XX (20) + III (3). Roman numerals are built by adding symbols from largest to smallest, using subtractive pairs like IV and IX where needed.