38900023 has 4 divisors (see below), whose sum is σ = 38914128. Its totient is φ = 38885920.

The previous prime is 38900003. The next prime is 38900027. The reversal of 38900023 is 32000983.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38900023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38900027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1411 + ... + 8932.

It is an arithmetic number, because the mean of its divisors is an integer number (9728532).

Almost surely, 2^38900023 is an apocalyptic number.

38900023 is a deficient number, since it is larger than the sum of its proper divisors (14105).

38900023 is a wasteful number, since it uses less digits than its factorization.

38900023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14104.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 38900023 is about 6236.9882956440. The cubic root of 38900023 is about 338.8311158625.

The spelling of 38900023 in words is "thirty-eight million, nine hundred thousand, twenty-three".