223979868512 has 24 divisors (see below), whose sum is σ = 442902937176. Its totient is φ = 111496582912.

The previous prime is 223979868509. The next prime is 223979868529. The reversal of 223979868512 is 215868979322.

It is a congruent number.

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, 15409853 + ... + 15424380.

It is an arithmetic number, because the mean of its divisors is an integer number (18454289049).

Almost surely, 2^223979868512 is an apocalyptic number.

It is an amenable number.

223979868512 is a deficient number, since it is larger than the sum of its proper divisors (218923068664).

223979868512 is a wasteful number, since it uses less digits than its factorization.

223979868512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30834470 (or 30834462 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 62.

The spelling of 223979868512 in words is "two hundred twenty-three billion, nine hundred seventy-nine million, eight hundred sixty-eight thousand, five hundred twelve".