223728324 has 12 divisors (see below), whose sum is σ = 522032784. Its totient is φ = 74576104.

The previous prime is 223728299. The next prime is 223728353. The reversal of 223728324 is 423827322.

223728324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9322002 + ... + 9322025.

It is an arithmetic number, because the mean of its divisors is an integer number (43502732).

Almost surely, 2^223728324 is an apocalyptic number.

It is an amenable number.

223728324 is an abundant number, since it is smaller than the sum of its proper divisors (298304460).

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

223728324 is a wasteful number, since it uses less digits than its factorization.

223728324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18644034 (or 18644032 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 223728324 is about 14957.5507353310. The cubic root of 223728324 is about 607.0721687536.

The spelling of 223728324 in words is "two hundred twenty-three million, seven hundred twenty-eight thousand, three hundred twenty-four".