23968818851 has 2 divisors, whose sum is σ = 23968818852. Its totient is φ = 23968818850.

The previous prime is 23968818733. The next prime is 23968818931. The reversal of 23968818851 is 15881886932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23968818851 - 2²² = 23964624547 is a prime.

It is a super-2 number, since 2×23968818851² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23968818151) 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 as a sum of consecutive naturals, namely, 11984409425 + 11984409426.

It is an arithmetic number, because the mean of its divisors is an integer number (11984409426).

Almost surely, 2^23968818851 is an apocalyptic number.

23968818851 is a deficient number, since it is larger than the sum of its proper divisors (1).

23968818851 is an equidigital number, since it uses as much as digits as its factorization.

23968818851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520, while the sum is 59.

The spelling of 23968818851 in words is "twenty-three billion, nine hundred sixty-eight million, eight hundred eighteen thousand, eight hundred fifty-one".