123031200113013 has 16 divisors (see below), whose sum is σ = 164105480044800. Its totient is φ = 81988863320064.

The previous prime is 123031200112963. The next prime is 123031200113147. The reversal of 123031200113013 is 310311002130321.

It is a happy number.

It is not a de Polignac number, because 123031200113013 - 2⁶ = 123031200112949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123031200115013) 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, 157856245 + ... + 158633717.

It is an arithmetic number, because the mean of its divisors is an integer number (10256592502800).

Almost surely, 2^{123031200113013} is an apocalyptic number.

It is an amenable number.

123031200113013 is a deficient number, since it is larger than the sum of its proper divisors (41074279931787).

123031200113013 is a wasteful number, since it uses less digits than its factorization.

123031200113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797948.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 123031200113013 its reverse (310311002130321), we get a palindrome (433342202243334).

The spelling of 123031200113013 in words is "one hundred twenty-three trillion, thirty-one billion, two hundred million, one hundred thirteen thousand, thirteen".