123251040230522 has 64 divisors (see below), whose sum is σ = 204595517952000. Its totient is φ = 55456732110528.

The previous prime is 123251040230489. The next prime is 123251040230567. The reversal of 123251040230522 is 225032040152321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19041323 + ... + 24679425.

It is an arithmetic number, because the mean of its divisors is an integer number (3196804968000).

Almost surely, 2^{123251040230522} is an apocalyptic number.

123251040230522 is a deficient number, since it is larger than the sum of its proper divisors (81344477721478).

123251040230522 is a wasteful number, since it uses less digits than its factorization.

123251040230522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638475.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 123251040230522 its reverse (225032040152321), we get a palindrome (348283080382843).

The spelling of 123251040230522 in words is "one hundred twenty-three trillion, two hundred fifty-one billion, forty million, two hundred thirty thousand, five hundred twenty-two".