223853728 has 48 divisors (see below), whose sum is σ = 519934464. Its totient is φ = 92839680.

The previous prime is 223853723. The next prime is 223853783. The reversal of 223853728 is 827358322.

It is a super-2 number, since 2×223853728² = 100220983078995968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223853723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9175 + ... + 23062.

It is an arithmetic number, because the mean of its divisors is an integer number (10831968).

Almost surely, 2^223853728 is an apocalyptic number.

223853728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

223853728 is an abundant number, since it is smaller than the sum of its proper divisors (296080736).

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

223853728 is a wasteful number, since it uses less digits than its factorization.

223853728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32285 (or 32277 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 223853728 is about 14961.7421445499. The cubic root of 223853728 is about 607.1855727508.

The spelling of 223853728 in words is "two hundred twenty-three million, eight hundred fifty-three thousand, seven hundred twenty-eight".