23959723081 has 16 divisors (see below), whose sum is σ = 27681886080. Its totient is φ = 20312812800.

The previous prime is 23959723061. The next prime is 23959723087. The reversal of 23959723081 is 18032795932.

It is not a de Polignac number, because 23959723081 - 2⁷ = 23959722953 is a prime.

It is a super-2 number, since 2×23959723081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23959723087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696570 + ... + 730156.

It is an arithmetic number, because the mean of its divisors is an integer number (1730117880).

Almost surely, 2^23959723081 is an apocalyptic number.

It is an amenable number.

23959723081 is a deficient number, since it is larger than the sum of its proper divisors (3722162999).

23959723081 is a wasteful number, since it uses less digits than its factorization.

23959723081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34704.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 23959723081 in words is "twenty-three billion, nine hundred fifty-nine million, seven hundred twenty-three thousand, eighty-one".