וַֽיְחִ֣י אַרְפַּכְשַׁ֗ד אַֽחֲרֵי֙ הוֹלִיד֣וֹ אֶת־שֶׁ֔לַח שָׁלֹ֣שׁ שָׁנִ֔ים וְאַרְבַּ֥ע מֵא֖וֹת שָׁנָ֑ה וַיּ֥וֹלֶד בָּנִ֖ים וּבָנֽוֹת׃ (ס)
And Arpachshad lived after he begot Shelah four hundred and three years, and begot sons and daughters.
Read kabbalistic (mystical) interpretation of Genesis 11:13: and classical mystical sources.