123031134512504 has 32 divisors (see below), whose sum is σ = 235663959366720. Its totient is φ = 60188216739456.

The previous prime is 123031134512483. The next prime is 123031134512509. The reversal of 123031134512504 is 405215431130321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123031134512509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49070519 + ... + 51516774.

It is an arithmetic number, because the mean of its divisors is an integer number (7364498730210).

Almost surely, 2^{123031134512504} is an apocalyptic number.

It is an amenable number.

123031134512504 is a deficient number, since it is larger than the sum of its proper divisors (112632824854216).

123031134512504 is a wasteful number, since it uses less digits than its factorization.

123031134512504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100590599 (or 100590595 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 123031134512504 its reverse (405215431130321), we get a palindrome (528246565642825).

The spelling of 123031134512504 in words is "one hundred twenty-three trillion, thirty-one billion, one hundred thirty-four million, five hundred twelve thousand, five hundred four".