223863564 has 24 divisors (see below), whose sum is σ = 528962560. Its totient is φ = 73676304.

The previous prime is 223863559. The next prime is 223863587. The reversal of 223863564 is 465368322.

It is a happy number.

It is a super-2 number, since 2×223863564² = 100229790573564192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117124 + ... + 119019.

Almost surely, 2^223863564 is an apocalyptic number.

It is an amenable number.

223863564 is an abundant number, since it is smaller than the sum of its proper divisors (305098996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223863564 is a wasteful number, since it uses less digits than its factorization.

223863564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236229 (or 236227 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 223863564 is about 14962.0708459758. The cubic root of 223863564 is about 607.1944657452.

The spelling of 223863564 in words is "two hundred twenty-three million, eight hundred sixty-three thousand, five hundred sixty-four".