23856248991 has 12 divisors (see below), whose sum is σ = 33251434328. Its totient is φ = 15212679504.

The previous prime is 23856248987. The next prime is 23856249017. The reversal of 23856248991 is 19984265832.

It is not a de Polignac number, because 23856248991 - 2² = 23856248987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23856248981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7514560 + ... + 7517733.

Almost surely, 2^23856248991 is an apocalyptic number.

23856248991 is a deficient number, since it is larger than the sum of its proper divisors (9395185337).

23856248991 is a wasteful number, since it uses less digits than its factorization.

23856248991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15032342 (or 15032319 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 57.

The spelling of 23856248991 in words is "twenty-three billion, eight hundred fifty-six million, two hundred forty-eight thousand, nine hundred ninety-one".