23971583512 has 32 divisors (see below), whose sum is σ = 46616310000. Its totient is φ = 11542695808.

The previous prime is 23971583509. The next prime is 23971583513. The reversal of 23971583512 is 21538517932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23971583513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42562 + ... + 223057.

Almost surely, 2^23971583512 is an apocalyptic number.

It is an amenable number.

23971583512 is a deficient number, since it is larger than the sum of its proper divisors (22644726488).

23971583512 is a wasteful number, since it uses less digits than its factorization.

23971583512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266043 (or 266039 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The spelling of 23971583512 in words is "twenty-three billion, nine hundred seventy-one million, five hundred eighty-three thousand, five hundred twelve".