123231034402544 has 20 divisors (see below), whose sum is σ = 239522941078896. Its totient is φ = 61418662511232.

The previous prime is 123231034402439. The next prime is 123231034402561. The reversal of 123231034402544 is 445204430132321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123231034402498 and 123231034402507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12303412964 + ... + 12303422979.

Almost surely, 2^{123231034402544} is an apocalyptic number.

It is an amenable number.

123231034402544 is a deficient number, since it is larger than the sum of its proper divisors (116291906676352).

123231034402544 is a wasteful number, since it uses less digits than its factorization.

123231034402544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24606836264 (or 24606836258 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 123231034402544 its reverse (445204430132321), we get a palindrome (568435464534865).

The spelling of 123231034402544 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, thirty-four million, four hundred two thousand, five hundred forty-four".