123131032203113 has 16 divisors (see below), whose sum is σ = 137608112113920. Its totient is φ = 109201460419200.

The previous prime is 123131032203061. The next prime is 123131032203119. The reversal of 123131032203113 is 311302230131321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123131032203113 is a prime.

It is a super-2 number, since 2×123131032203113² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123131032203119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1638656 + ... + 15778062.

It is an arithmetic number, because the mean of its divisors is an integer number (8600507007120).

Almost surely, 2^{123131032203113} is an apocalyptic number.

It is an amenable number.

123131032203113 is a deficient number, since it is larger than the sum of its proper divisors (14477079910807).

123131032203113 is a wasteful number, since it uses less digits than its factorization.

123131032203113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14158768.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 123131032203113 its reverse (311302230131321), we get a palindrome (434433262334434).

The spelling of 123131032203113 in words is "one hundred twenty-three trillion, one hundred thirty-one billion, thirty-two million, two hundred three thousand, one hundred thirteen".