Il numero romano MMCCCLXXIII nel sistema decimale vale: 2373.
MMCCCLXXIII in latino si scrive duo milia trecenti septuaginta tres,
mentre in italiano duemilatrecentosettantatré.
MMCCCLIV, MMCCCLV, MMCCCLVI, MMCCCLVII, MMCCCLVIII, MMCCCLIX, MMCCCLX, MMCCCLXI, MMCCCLXII, MMCCCLXIII, MMCCCLXIV, MMCCCLXV, MMCCCLXVI, MMCCCLXVII, MMCCCLXVIII, MMCCCLXIX, MMCCCLXX, MMCCCLXXI, MMCCCLXXII, MMCCCLXXIV, MMCCCLXXV, MMCCCLXXVI, MMCCCLXXVII, MMCCCLXXVIII, MMCCCLXXIX, MMCCCLXXX, MMCCCLXXXI, MMCCCLXXXII, MMCCCLXXXIII, MMCCCLXXXIV, MMCCCLXXXV, MMCCCLXXXVI, MMCCCLXXXVII, MMCCCLXXXVIII, MMCCCLXXXIX, MMCCCXC, MMCCCXCI, MMCCCXCII