238366231 has 8 divisors (see below), whose sum is σ = 252782640. Its totient is φ = 223993728.

The previous prime is 238366217. The next prime is 238366237. The reversal of 238366231 is 132663832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238366231 - 2⁵ = 238366199 is a prime.

It is a super-2 number, since 2×238366231² = 113636920162290722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238366237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565 + ... + 21841.

It is an arithmetic number, because the mean of its divisors is an integer number (31597830).

Almost surely, 2^238366231 is an apocalyptic number.

238366231 is a deficient number, since it is larger than the sum of its proper divisors (14416409).

238366231 is a wasteful number, since it uses less digits than its factorization.

238366231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21953.

The product of its digits is 31104, while the sum is 34.

The square root of 238366231 is about 15439.1136727469. The cubic root of 238366231 is about 620.0331503260.

The spelling of 238366231 in words is "two hundred thirty-eight million, three hundred sixty-six thousand, two hundred thirty-one".