204327231 has 24 divisors (see below), whose sum is σ = 288471552. Its totient is φ = 128510400.

The previous prime is 204327223. The next prime is 204327241. The reversal of 204327231 is 132723402.

It is not a de Polignac number, because 204327231 - 2³ = 204327223 is a prime.

It is a super-2 number, since 2×204327231² = 83499234656254722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204327241) 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, 155680 + ... + 156986.

It is an arithmetic number, because the mean of its divisors is an integer number (12019648).

Almost surely, 2^204327231 is an apocalyptic number.

204327231 is a deficient number, since it is larger than the sum of its proper divisors (84144321).

204327231 is a wasteful number, since it uses less digits than its factorization.

204327231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 204327231 is about 14294.3076432544. The cubic root of 204327231 is about 588.9911236860.

The spelling of 204327231 in words is "two hundred four million, three hundred twenty-seven thousand, two hundred thirty-one".