123045254133055 has 4 divisors (see below), whose sum is σ = 147654304959672. Its totient is φ = 98436203306440.

The previous prime is 123045254133031. The next prime is 123045254133079. The reversal of 123045254133055 is 550331452540321.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (123045254133031) and next prime (123045254133079).

It is not a de Polignac number, because 123045254133055 - 2⁵ = 123045254133023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12304525413301 + ... + 12304525413310.

It is an arithmetic number, because the mean of its divisors is an integer number (36913576239918).

Almost surely, 2^{123045254133055} is an apocalyptic number.

123045254133055 is a deficient number, since it is larger than the sum of its proper divisors (24609050826617).

123045254133055 is an equidigital number, since it uses as much as digits as its factorization.

123045254133055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24609050826616.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 123045254133055 in words is "one hundred twenty-three trillion, forty-five billion, two hundred fifty-four million, one hundred thirty-three thousand, fifty-five".