Il numero romano MMLXXIII nel sistema decimale vale: 2073.
MMLXXIII in latino si scrive duo milia septuaginta tres,
mentre in italiano duemilasettantatré.
MMLIV, MMLV, MMLVI, MMLVII, MMLVIII, MMLIX, MMLX, MMLXI, MMLXII, MMLXIII, MMLXIV, MMLXV, MMLXVI, MMLXVII, MMLXVIII, MMLXIX, MMLXX, MMLXXI, MMLXXII, MMLXXIV, MMLXXV, MMLXXVI, MMLXXVII, MMLXXVIII, MMLXXIX, MMLXXX, MMLXXXI, MMLXXXII, MMLXXXIII, MMLXXXIV, MMLXXXV, MMLXXXVI, MMLXXXVII, MMLXXXVIII, MMLXXXIX, MMXC, MMXCI, MMXCII