23997239961 has 8 divisors (see below), whose sum is σ = 32861085504. Its totient is φ = 15565777200.

The previous prime is 23997239869. The next prime is 23997239963. The reversal of 23997239961 is 16993279932.

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

It is not a de Polignac number, because 23997239961 - 2¹⁵ = 23997207193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23997239895 and 23997239904.

It is not an unprimeable number, because it can be changed into a prime (23997239963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108095565 + ... + 108095786.

It is an arithmetic number, because the mean of its divisors is an integer number (4107635688).

Almost surely, 2^23997239961 is an apocalyptic number.

It is an amenable number.

23997239961 is a deficient number, since it is larger than the sum of its proper divisors (8863845543).

23997239961 is a wasteful number, since it uses less digits than its factorization.

23997239961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216191391.

The product of its digits is 9920232, while the sum is 60.

The spelling of 23997239961 in words is "twenty-three billion, nine hundred ninety-seven million, two hundred thirty-nine thousand, nine hundred sixty-one".