23 in Roman Numerals

23 in Roman numerals is
XXIII
10 + 10 + 1 + 1 + 1 = 23
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The number 23 is written XXIII in Roman numerals. Reading left to right and adding the values gives 10 + 10 + 1 + 1 + 1 = 23. Roman numerals use seven letters: I (1), V (5), X (10), L (50), C (100), D (500) and M (1000). A smaller letter before a larger one means subtraction (IV = 4, IX = 9, XL = 40, XC = 90, CD = 400, CM = 900).

XXIII in names

  • John XXIII, priest, bishop, cardinal, pope. Wikidata
  • Super Bowl XXIII, played on 22 January 1989. Wikidata

Popes, monarchs, films and Super Bowls whose name carries XXIII. Source: Wikidata, retrieved 11 October 2026.

Frequently asked

What is 23 in Roman numerals?

23 in Roman numerals is XXIII.

How is 23 written in Roman numerals?

23 is written XXIII, which breaks down as 10 + 10 + 1 + 1 + 1 = 23.

Is there a Roman numeral for zero?

No. The Roman system has no symbol for zero, which is one reason it was eventually replaced for calculation.