Il numero romano MMCLXXIII nel sistema decimale vale: 2173.
MMCLXXIII in latino si scrive duo milia centum septuaginta tres,
mentre in italiano duemilacentosettantatré.
MMCLIV, MMCLV, MMCLVI, MMCLVII, MMCLVIII, MMCLIX, MMCLX, MMCLXI, MMCLXII, MMCLXIII, MMCLXIV, MMCLXV, MMCLXVI, MMCLXVII, MMCLXVIII, MMCLXIX, MMCLXX, MMCLXXI, MMCLXXII, MMCLXXIV, MMCLXXV, MMCLXXVI, MMCLXXVII, MMCLXXVIII, MMCLXXIX, MMCLXXX, MMCLXXXI, MMCLXXXII, MMCLXXXIII, MMCLXXXIV, MMCLXXXV, MMCLXXXVI, MMCLXXXVII, MMCLXXXVIII, MMCLXXXIX, MMCXC, MMCXCI, MMCXCII