123032250115155 has 16 divisors (see below), whose sum is σ = 218724000204960. Its totient is φ = 65617200061344.

The previous prime is 123032250115139. The next prime is 123032250115157. The reversal of 123032250115155 is 551511052230321.

123032250115155 is a `hidden beast` number, since 1 + 2 + 30 + 3 + 22 + 501 + 1 + 51 + 55 = 666.

It is not a de Polignac number, because 123032250115155 - 2⁴ = 123032250115139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123032250115157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455675000292 + ... + 455675000561.

It is an arithmetic number, because the mean of its divisors is an integer number (13670250012810).

Almost surely, 2^{123032250115155} is an apocalyptic number.

123032250115155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123032250115155 is a deficient number, since it is larger than the sum of its proper divisors (95691750089805).

123032250115155 is an equidigital number, since it uses as much as digits as its factorization.

123032250115155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911350000867 (or 911350000861 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 123032250115155 in words is "one hundred twenty-three trillion, thirty-two billion, two hundred fifty million, one hundred fifteen thousand, one hundred fifty-five".