223964904720 has 80 divisors (see below), whose sum is σ = 735131877120. Its totient is φ = 56210798592.

The previous prime is 223964904701. The next prime is 223964904769. The reversal of 223964904720 is 27409469322.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 223964904720.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27442600 + ... + 27450759.

It is an arithmetic number, because the mean of its divisors is an integer number (9189148464).

Almost surely, 2^223964904720 is an apocalyptic number.

223964904720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223964904720 is an abundant number, since it is smaller than the sum of its proper divisors (511166972400).

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

223964904720 is a wasteful number, since it uses less digits than its factorization.

223964904720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54893392 (or 54893386 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 223964904720 in words is "two hundred twenty-three billion, nine hundred sixty-four million, nine hundred four thousand, seven hundred twenty".