23894446239 has 12 divisors (see below), whose sum is σ = 34745841000. Its totient is φ = 15822719664.

The previous prime is 23894446229. The next prime is 23894446273. The reversal of 23894446239 is 93264449832.

23894446239 is a `hidden beast` number, since 2 + 3 + 8 + 9 + 4 + 4 + 4 + 623 + 9 = 666.

It is not a de Polignac number, because 23894446239 - 2⁵ = 23894446207 is a prime.

It is a super-2 number, since 2×23894446239² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23894446229) 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, 8907849 + ... + 8910530.

It is an arithmetic number, because the mean of its divisors is an integer number (2895486750).

Almost surely, 2^23894446239 is an apocalyptic number.

23894446239 is a deficient number, since it is larger than the sum of its proper divisors (10851394761).

23894446239 is a wasteful number, since it uses less digits than its factorization.

23894446239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17818534 (or 17818531 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The spelling of 23894446239 in words is "twenty-three billion, eight hundred ninety-four million, four hundred forty-six thousand, two hundred thirty-nine".