It is: XXIII+IX = XXXII
XXIII is the number 23 in Roman numerals.
The number 23 in Roman numerals is XXIII
The number 23 in Roman numerals is written as XXIII.
August 23 in Roman numerals is written as XXIII.VIII.
23 in Roman numerals is XXIII.
23 = XXIII
XXIII
December 23, 2009 is written as XXIII.XII.MMIX in Roman numerals.
October 23, 2010, in Roman numerals is written as "XXIII.X.MMIX"
The Roman numeral for 23 is XXIII, the Roman numeral for 5 is V, and the Roman numeral for 1964 is MCMLXIV. Therefore, 23-5-1964 in Roman numerals is XXIII-V-MCMLXIV.
In today's notation of Roman numerals: XXIII-IV-MCMLXXXVIII
923 in Roman numerals is CMXXIII.