xxiii
n. C2 Proficiency xxi·ii
n. the number twenty-three written in Roman numerals. You use this system to write numbers using letters like I, V, X, and L.
n. the Roman numeral representing the cardinal number twenty-three. Used primarily in historical contexts, formal titles, or specific numbering systems.
The chapter is labeled as Chapter XXIII.
The date on the old manuscript is written as XXIII April MDCCCLXXVII.
While modern digital systems use Arabic numerals, many legal documents and historical texts still employ Roman numerals like XXIII to denote specific sections or centuries.