123873053132544 has 36 divisors (see below), whose sum is σ = 329682969537096. Its totient is φ = 41291017710592.

The previous prime is 123873053132453. The next prime is 123873053132687. The reversal of 123873053132544 is 445231350378321.

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, 80646518199 + ... + 80646519734.

Almost surely, 2^{123873053132544} is an apocalyptic number.

It is an amenable number.

123873053132544 is an abundant number, since it is smaller than the sum of its proper divisors (205809916404552).

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

123873053132544 is an equidigital number, since it uses as much as digits as its factorization.

123873053132544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161293037952 (or 161293037938 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 123873053132544 in words is "one hundred twenty-three trillion, eight hundred seventy-three billion, fifty-three million, one hundred thirty-two thousand, five hundred forty-four".