38915123 has 12 divisors (see below), whose sum is σ = 42316920. Its totient is φ = 35770176.

The previous prime is 38915117. The next prime is 38915147. The reversal of 38915123 is 32151983.

It is not a de Polignac number, because 38915123 - 2⁸ = 38914867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38915123.

It is not an unprimeable number, because it can be changed into a prime (38915113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68840 + ... + 69402.

It is an arithmetic number, because the mean of its divisors is an integer number (3526410).

Almost surely, 2^38915123 is an apocalyptic number.

38915123 is a deficient number, since it is larger than the sum of its proper divisors (3401797).

38915123 is a wasteful number, since it uses less digits than its factorization.

38915123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 985 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 38915123 is about 6238.1986983423. The cubic root of 38915123 is about 338.8749520660.

The spelling of 38915123 in words is "thirty-eight million, nine hundred fifteen thousand, one hundred twenty-three".