123021313231201 has 32 divisors (see below), whose sum is σ = 158386994380800. Its totient is φ = 92732082206400.

The previous prime is 123021313231177. The next prime is 123021313231273. The reversal of 123021313231201 is 102132313120321.

It is not a de Polignac number, because 123021313231201 - 2²¹ = 123021311134049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123021313231001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4025001 + ... + 16193926.

It is an arithmetic number, because the mean of its divisors is an integer number (4949593574400).

Almost surely, 2^{123021313231201} is an apocalyptic number.

123021313231201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123021313231201 is a deficient number, since it is larger than the sum of its proper divisors (35365681149599).

123021313231201 is a wasteful number, since it uses less digits than its factorization.

123021313231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20221525.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 123021313231201 its reverse (102132313120321), we get a palindrome (225153626351522).

The spelling of 123021313231201 in words is "one hundred twenty-three trillion, twenty-one billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred one".