123231013111002 has 16 divisors (see below), whose sum is σ = 252473295154752. Its totient is φ = 40075126214880.

The previous prime is 123231013110991. The next prime is 123231013111021. The reversal of 123231013111002 is 200111310132321.

It is a self number, because there is not a number n which added to its sum of digits gives 123231013111002.

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, 250469538598 + ... + 250469539089.

It is an arithmetic number, because the mean of its divisors is an integer number (15779580947172).

Almost surely, 2^{123231013111002} is an apocalyptic number.

123231013111002 is an abundant number, since it is smaller than the sum of its proper divisors (129242282043750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123231013111002 is a wasteful number, since it uses less digits than its factorization.

123231013111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500939077733.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 123231013111002 its reverse (200111310132321), we get a palindrome (323342323243323).

The spelling of 123231013111002 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, thirteen million, one hundred eleven thousand, two".