123054122152555 has 16 divisors (see below), whose sum is σ = 161096486153184. Its totient is φ = 89489766177280.

The previous prime is 123054122152547. The next prime is 123054122152589. The reversal of 123054122152555 is 555251221450321.

It is not a de Polignac number, because 123054122152555 - 2³ = 123054122152547 is a prime.

It is a Duffinian number.

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, 50560792 + ... + 52938661.

It is an arithmetic number, because the mean of its divisors is an integer number (10068530384574).

Almost surely, 2^{123054122152555} is an apocalyptic number.

123054122152555 is a deficient number, since it is larger than the sum of its proper divisors (38042364000629).

123054122152555 is a wasteful number, since it uses less digits than its factorization.

123054122152555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103521086.

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 123054122152555 in words is "one hundred twenty-three trillion, fifty-four billion, one hundred twenty-two million, one hundred fifty-two thousand, five hundred fifty-five".