123131304343124 has 24 divisors (see below), whose sum is σ = 268650118567488. Its totient is φ = 47973235458240.

The previous prime is 123131304343109. The next prime is 123131304343171. The reversal of 123131304343124 is 421343403131321.

It is a super-2 number, since 2×123131304343124² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199888480769 + ... + 199888481384.

It is an arithmetic number, because the mean of its divisors is an integer number (11193754940312).

Almost surely, 2^{123131304343124} is an apocalyptic number.

123131304343124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123131304343124 is an abundant number, since it is smaller than the sum of its proper divisors (145518814224364).

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

123131304343124 is a wasteful number, since it uses less digits than its factorization.

123131304343124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399776962175 (or 399776962173 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 123131304343124 its reverse (421343403131321), we get a palindrome (544474707474445).

The spelling of 123131304343124 in words is "one hundred twenty-three trillion, one hundred thirty-one billion, three hundred four million, three hundred forty-three thousand, one hundred twenty-four".