23985246136 has 16 divisors (see below), whose sum is σ = 44976229200. Its totient is φ = 11991585024.

The previous prime is 23985246133. The next prime is 23985246143. The reversal of 23985246136 is 63164258932.

It is a self number, because there is not a number n which added to its sum of digits gives 23985246136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23985246133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26745 + ... + 220648.

It is an arithmetic number, because the mean of its divisors is an integer number (2811014325).

Almost surely, 2^23985246136 is an apocalyptic number.

It is an amenable number.

23985246136 is a deficient number, since it is larger than the sum of its proper divisors (20990983064).

23985246136 is a wasteful number, since it uses less digits than its factorization.

23985246136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259518 (or 259514 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The spelling of 23985246136 in words is "twenty-three billion, nine hundred eighty-five million, two hundred forty-six thousand, one hundred thirty-six".