223500231 has 12 divisors (see below), whose sum is σ = 327257008. Its totient is φ = 146958624.

The previous prime is 223500217. The next prime is 223500259. The reversal of 223500231 is 132005322.

It is not a de Polignac number, because 223500231 - 2⁹ = 223499719 is a prime.

It is a super-2 number, since 2×223500231² = 99904706514106722, 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 (223500931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169435 + ... + 170748.

Almost surely, 2^223500231 is an apocalyptic number.

223500231 is a deficient number, since it is larger than the sum of its proper divisors (103756777).

223500231 is a wasteful number, since it uses less digits than its factorization.

223500231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340262 (or 340259 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 223500231 is about 14949.9241135198. The cubic root of 223500231 is about 606.8657934600.

Adding to 223500231 its reverse (132005322), we get a palindrome (355505553).

The spelling of 223500231 in words is "two hundred twenty-three million, five hundred thousand, two hundred thirty-one".