123315573112140 has 24 divisors (see below), whose sum is σ = 345283604714160. Its totient is φ = 32884152829888.

The previous prime is 123315573112139. The next prime is 123315573112153. The reversal of 123315573112140 is 41211375513321.

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, 1027629775875 + ... + 1027629775994.

It is an arithmetic number, because the mean of its divisors is an integer number (14386816863090).

Almost surely, 2^{123315573112140} is an apocalyptic number.

123315573112140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123315573112140 is an abundant number, since it is smaller than the sum of its proper divisors (221968031602020).

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

123315573112140 is a wasteful number, since it uses less digits than its factorization.

123315573112140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055259551881 (or 2055259551879 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 123315573112140 in words is "one hundred twenty-three trillion, three hundred fifteen billion, five hundred seventy-three million, one hundred twelve thousand, one hundred forty".