Il numero romano MDCCCLXXIII nel sistema decimale vale: 1873.
MDCCCLXXIII in latino si scrive mille octingenti septuaginta tres,
mentre in italiano milleottocentosettantatré.
MDCCCLIV, MDCCCLV, MDCCCLVI, MDCCCLVII, MDCCCLVIII, MDCCCLIX, MDCCCLX, MDCCCLXI, MDCCCLXII, MDCCCLXIII, MDCCCLXIV, MDCCCLXV, MDCCCLXVI, MDCCCLXVII, MDCCCLXVIII, MDCCCLXIX, MDCCCLXX, MDCCCLXXI, MDCCCLXXII, MDCCCLXXIV, MDCCCLXXV, MDCCCLXXVI, MDCCCLXXVII, MDCCCLXXVIII, MDCCCLXXIX, MDCCCLXXX, MDCCCLXXXI, MDCCCLXXXII, MDCCCLXXXIII, MDCCCLXXXIV, MDCCCLXXXV, MDCCCLXXXVI, MDCCCLXXXVII, MDCCCLXXXVIII, MDCCCLXXXIX, MDCCCXC, MDCCCXCI, MDCCCXCII