23980713581 has 16 divisors (see below), whose sum is σ = 26306262528. Its totient is φ = 21679585200.

The previous prime is 23980713577. The next prime is 23980713619. The reversal of 23980713581 is 18531708932.

It is a cyclic number.

It is not a de Polignac number, because 23980713581 - 2² = 23980713577 is a prime.

It is a super-2 number, since 2×23980713581² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23980713551) 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 15 ways as a sum of consecutive naturals, for example, 3438560 + ... + 3445526.

It is an arithmetic number, because the mean of its divisors is an integer number (1644141408).

Almost surely, 2^23980713581 is an apocalyptic number.

It is an amenable number.

23980713581 is a deficient number, since it is larger than the sum of its proper divisors (2325548947).

23980713581 is a wasteful number, since it uses less digits than its factorization.

23980713581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8672.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 23980713581 in words is "twenty-three billion, nine hundred eighty million, seven hundred thirteen thousand, five hundred eighty-one".