223813172 has 24 divisors (see below), whose sum is σ = 431518752. Its totient is φ = 100724000.

The previous prime is 223813153. The next prime is 223813189. The reversal of 223813172 is 271318322.

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, 20738 + ... + 29625.

It is an arithmetic number, because the mean of its divisors is an integer number (17979948).

Almost surely, 2^223813172 is an apocalyptic number.

223813172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

223813172 is a deficient number, since it is larger than the sum of its proper divisors (207705580).

223813172 is a wasteful number, since it uses less digits than its factorization.

223813172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50479 (or 50477 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 223813172 is about 14960.3867597064. The cubic root of 223813172 is about 607.1489022196.

The spelling of 223813172 in words is "two hundred twenty-three million, eight hundred thirteen thousand, one hundred seventy-two".