23221568284 has 6 divisors (see below), whose sum is σ = 40637744504. Its totient is φ = 11610784140.

The previous prime is 23221568263. The next prime is 23221568311. The reversal of 23221568284 is 48286512232.

It is a self number, because there is not a number n which added to its sum of digits gives 23221568284.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2902696032 + ... + 2902696039.

Almost surely, 2^23221568284 is an apocalyptic number.

It is an amenable number.

23221568284 is a deficient number, since it is larger than the sum of its proper divisors (17416176220).

23221568284 is a wasteful number, since it uses less digits than its factorization.

23221568284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805392075 (or 5805392073 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The spelling of 23221568284 in words is "twenty-three billion, two hundred twenty-one million, five hundred sixty-eight thousand, two hundred eighty-four".