23215512224 has 24 divisors (see below), whose sum is σ = 45744314868. Its totient is φ = 11597908480.

The previous prime is 23215512217. The next prime is 23215512247. The reversal of 23215512224 is 42221551232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23110080400 + 105431824 = 152020^2 + 10268^2 .

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, 269357 + ... + 344940.

Almost surely, 2^23215512224 is an apocalyptic number.

It is an amenable number.

23215512224 is a deficient number, since it is larger than the sum of its proper divisors (22528802644).

23215512224 is a wasteful number, since it uses less digits than its factorization.

23215512224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615488 (or 615480 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The spelling of 23215512224 in words is "twenty-three billion, two hundred fifteen million, five hundred twelve thousand, two hundred twenty-four".