123318655585160 has 64 divisors (see below), whose sum is σ = 323576647344000. Its totient is φ = 42280681910208.

The previous prime is 123318655585141. The next prime is 123318655585207. The reversal of 123318655585160 is 61585556813321.

It is a self number, because there is not a number n which added to its sum of digits gives 123318655585160.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4494106382 + ... + 4494133821.

It is an arithmetic number, because the mean of its divisors is an integer number (5055885114750).

Almost surely, 2^{123318655585160} is an apocalyptic number.

123318655585160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123318655585160 is an abundant number, since it is smaller than the sum of its proper divisors (200257991758840).

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

123318655585160 is an equidigital number, since it uses as much as digits as its factorization.

123318655585160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8988240235 (or 8988240217 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 59.

The spelling of 123318655585160 in words is "one hundred twenty-three trillion, three hundred eighteen billion, six hundred fifty-five million, five hundred eighty-five thousand, one hundred sixty".