23981969799631 has 8 divisors (see below), whose sum is σ = 24020187235200. Its totient is φ = 23943781642200.

The previous prime is 23981969799581. The next prime is 23981969799791. The reversal of 23981969799631 is 13699796918932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23981969799631 - 2⁷ = 23981969799503 is a prime.

It is a super-2 number, since 2×23981969799631² (a number of 28 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 (23981960799631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5679721 + ... + 8956738.

It is an arithmetic number, because the mean of its divisors is an integer number (3002523404400).

Almost surely, 2^{23981969799631} is an apocalyptic number.

23981969799631 is a deficient number, since it is larger than the sum of its proper divisors (38217435569).

23981969799631 is a wasteful number, since it uses less digits than its factorization.

23981969799631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14639069.

The product of its digits is 2142770112, while the sum is 82.

The spelling of 23981969799631 in words is "twenty-three trillion, nine hundred eighty-one billion, nine hundred sixty-nine million, seven hundred ninety-nine thousand, six hundred thirty-one".