223976256 has 224 divisors, whose sum is σ = 731520000. Its totient is φ = 60286464.

The previous prime is 223976239. The next prime is 223976279. The reversal of 223976256 is 652679322.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

Its product of digits (272160) is a multiple of the sum of its prime divisors (210).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1251175 + ... + 1251353.

Almost surely, 2^223976256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223976256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365760000).

223976256 is an abundant number, since it is smaller than the sum of its proper divisors (507543744).

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

223976256 is a wasteful number, since it uses less digits than its factorization.

223976256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 210 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 223976256 is about 14965.8362947080. The cubic root of 223976256 is about 607.2963350548.

The spelling of 223976256 in words is "two hundred twenty-three million, nine hundred seventy-six thousand, two hundred fifty-six".