123927538 has 16 divisors (see below), whose sum is σ = 223629120. Its totient is φ = 50316336.

The previous prime is 123927521. The next prime is 123927581. The reversal of 123927538 is 835729321.

It is a self number, because there is not a number n which added to its sum of digits gives 123927538.

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, 232681 + ... + 233212.

It is an arithmetic number, because the mean of its divisors is an integer number (13976820).

Almost surely, 2^123927538 is an apocalyptic number.

123927538 is a deficient number, since it is larger than the sum of its proper divisors (99701582).

123927538 is a wasteful number, since it uses less digits than its factorization.

123927538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465921.

The product of its digits is 90720, while the sum is 40.

The square root of 123927538 is about 11132.2746103391. The cubic root of 123927538 is about 498.5659415516.

The spelling of 123927538 in words is "one hundred twenty-three million, nine hundred twenty-seven thousand, five hundred thirty-eight".