123031431011024 has 20 divisors (see below), whose sum is σ = 238373624194944. Its totient is φ = 61515657025248.

The previous prime is 123031431010979. The next prime is 123031431011051. The reversal of 123031431011024 is 420110134130321.

It is a junction number, because it is equal to n+sod(n) for n = 123031431010984 and 123031431011002.

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, 17364449 + ... + 23400575.

Almost surely, 2^{123031431011024} is an apocalyptic number.

It is an amenable number.

123031431011024 is a deficient number, since it is larger than the sum of its proper divisors (115342193183920).

123031431011024 is a wasteful number, since it uses less digits than its factorization.

123031431011024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7310042 (or 7310036 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 123031431011024 its reverse (420110134130321), we get a palindrome (543141565141345).

The spelling of 123031431011024 in words is "one hundred twenty-three trillion, thirty-one billion, four hundred thirty-one million, eleven thousand, twenty-four".