23698919572 has 12 divisors (see below), whose sum is σ = 41507308276. Its totient is φ = 11839688640.

The previous prime is 23698919527. The next prime is 23698919579. The reversal of 23698919572 is 27591989632.

It can be written as a sum of positive squares in 2 ways, for example, as 9481695876 + 14217223696 = 97374^2 + 119236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23698919572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23698919579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2437329 + ... + 2447032.

Almost surely, 2^23698919572 is an apocalyptic number.

It is an amenable number.

23698919572 is a deficient number, since it is larger than the sum of its proper divisors (17808388704).

23698919572 is a wasteful number, since it uses less digits than its factorization.

23698919572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885578 (or 4885576 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 61.

The spelling of 23698919572 in words is "twenty-three billion, six hundred ninety-eight million, nine hundred nineteen thousand, five hundred seventy-two".