123457625734 has 16 divisors (see below), whose sum is σ = 193641477120. Its totient is φ = 58921673800.

The previous prime is 123457625713. The next prime is 123457625773. The reversal of 123457625734 is 437526754321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2779492 + ... + 2823559.

It is an arithmetic number, because the mean of its divisors is an integer number (12102592320).

Almost surely, 2^123457625734 is an apocalyptic number.

123457625734 is a deficient number, since it is larger than the sum of its proper divisors (70183851386).

123457625734 is a wasteful number, since it uses less digits than its factorization.

123457625734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5603555.

The product of its digits is 4233600, while the sum is 49.

The spelling of 123457625734 in words is "one hundred twenty-three billion, four hundred fifty-seven million, six hundred twenty-five thousand, seven hundred thirty-four".