123774615643074 has 24 divisors (see below), whose sum is σ = 272099568274800. Its totient is φ = 37507459285560.

The previous prime is 123774615643061. The next prime is 123774615643097. The reversal of 123774615643074 is 470346516477321.

It is a junction number, because it is equal to n+sod(n) for n = 123774615642999 and 123774615643017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85244224924 + ... + 85244226375.

It is an arithmetic number, because the mean of its divisors is an integer number (11337482011450).

Almost surely, 2^{123774615643074} is an apocalyptic number.

123774615643074 is an abundant number, since it is smaller than the sum of its proper divisors (148324952631726).

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

123774615643074 is a wasteful number, since it uses less digits than its factorization.

123774615643074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170488451326 (or 170488451315 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 60.

The spelling of 123774615643074 in words is "one hundred twenty-three trillion, seven hundred seventy-four billion, six hundred fifteen million, six hundred forty-three thousand, seventy-four".