123031143104232 has 64 divisors (see below), whose sum is σ = 335540710080000. Its totient is φ = 37282028034240.

The previous prime is 123031143104173. The next prime is 123031143104237. The reversal of 123031143104232 is 232401341130321.

It is a self number, because there is not a number n which added to its sum of digits gives 123031143104232.

It is not an unprimeable number, because it can be changed into a prime (123031143104237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89417019 + ... + 90782517.

It is an arithmetic number, because the mean of its divisors is an integer number (5242823595000).

Almost surely, 2^{123031143104232} is an apocalyptic number.

123031143104232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123031143104232 is an abundant number, since it is smaller than the sum of its proper divisors (212509566975768).

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

123031143104232 is a wasteful number, since it uses less digits than its factorization.

123031143104232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706806 (or 1706802 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 123031143104232 its reverse (232401341130321), we get a palindrome (355432484234553).

The spelling of 123031143104232 in words is "one hundred twenty-three trillion, thirty-one billion, one hundred forty-three million, one hundred four thousand, two hundred thirty-two".