123315411351502 has 16 divisors (see below), whose sum is σ = 189974513463840. Its totient is φ = 59990610775968.

The previous prime is 123315411351499. The next prime is 123315411351511. The reversal of 123315411351502 is 205153114513321.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2612602 + ... + 15920317.

It is an arithmetic number, because the mean of its divisors is an integer number (11873407091490).

Almost surely, 2^{123315411351502} is an apocalyptic number.

123315411351502 is a deficient number, since it is larger than the sum of its proper divisors (66659102112338).

123315411351502 is a wasteful number, since it uses less digits than its factorization.

123315411351502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18622875.

The product of its (nonzero) digits is 54000, while the sum is 37.

Adding to 123315411351502 its reverse (205153114513321), we get a palindrome (328468525864823).

The spelling of 123315411351502 in words is "one hundred twenty-three trillion, three hundred fifteen billion, four hundred eleven million, three hundred fifty-one thousand, five hundred two".