238972023 has 24 divisors (see below), whose sum is σ = 351095472. Its totient is φ = 156605568.

The previous prime is 238972003. The next prime is 238972033. The reversal of 238972023 is 320279832.

It is not a de Polignac number, because 238972023 - 2¹³ = 238963831 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238972003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173365 + ... + 174737.

It is an arithmetic number, because the mean of its divisors is an integer number (14628978).

Almost surely, 2^238972023 is an apocalyptic number.

238972023 is a deficient number, since it is larger than the sum of its proper divisors (112123449).

238972023 is a wasteful number, since it uses less digits than its factorization.

238972023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 238972023 is about 15458.7199664138. The cubic root of 238972023 is about 620.5579637223.

The spelling of 238972023 in words is "two hundred thirty-eight million, nine hundred seventy-two thousand, twenty-three".