223656532 has 24 divisors (see below), whose sum is σ = 433000512. Its totient is φ = 100228800.

The previous prime is 223656523. The next prime is 223656541. The reversal of 223656532 is 235656322.

223656532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223656523) and next prime (223656541).

It is a congruent number.

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, 32673 + ... + 38920.

It is an arithmetic number, because the mean of its divisors is an integer number (18041688).

Almost surely, 2^223656532 is an apocalyptic number.

223656532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

223656532 is a deficient number, since it is larger than the sum of its proper divisors (209343980).

223656532 is a wasteful number, since it uses less digits than its factorization.

223656532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71679 (or 71677 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 223656532 is about 14955.1506846304. The cubic root of 223656532 is about 607.0072275085.

The spelling of 223656532 in words is "two hundred twenty-three million, six hundred fifty-six thousand, five hundred thirty-two".