123643436072374 has 8 divisors (see below), whose sum is σ = 185468452080480. Its totient is φ = 61820618712216.

The previous prime is 123643436072353. The next prime is 123643436072383. The reversal of 123643436072374 is 473270634346321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 549521389 + ... + 549746344.

It is an arithmetic number, because the mean of its divisors is an integer number (23183556510060).

Almost surely, 2^{123643436072374} is an apocalyptic number.

123643436072374 is a deficient number, since it is larger than the sum of its proper divisors (61825016008106).

123643436072374 is a wasteful number, since it uses less digits than its factorization.

123643436072374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099323974.

The product of its (nonzero) digits is 36578304, while the sum is 55.

The spelling of 123643436072374 in words is "one hundred twenty-three trillion, six hundred forty-three billion, four hundred thirty-six million, seventy-two thousand, three hundred seventy-four".