238863723 has 16 divisors (see below), whose sum is σ = 364408320. Its totient is φ = 136334016.

The previous prime is 238863679. The next prime is 238863727. The reversal of 238863723 is 327368832.

It is not a de Polignac number, because 238863723 - 2⁸ = 238863467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238863727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13111 + ... + 25487.

It is an arithmetic number, because the mean of its divisors is an integer number (22775520).

Almost surely, 2^238863723 is an apocalyptic number.

238863723 is a deficient number, since it is larger than the sum of its proper divisors (125544597).

238863723 is a wasteful number, since it uses less digits than its factorization.

238863723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13306.

The product of its digits is 290304, while the sum is 42.

The square root of 238863723 is about 15455.2166921076. The cubic root of 238863723 is about 620.4642057702.

The spelling of 238863723 in words is "two hundred thirty-eight million, eight hundred sixty-three thousand, seven hundred twenty-three".