23817296851 has 2 divisors, whose sum is σ = 23817296852. Its totient is φ = 23817296850.

The previous prime is 23817296849. The next prime is 23817296857. The reversal of 23817296851 is 15869271832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23817296851 - 2¹ = 23817296849 is a prime.

Together with 23817296849, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23817296857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11908648425 + 11908648426.

It is an arithmetic number, because the mean of its divisors is an integer number (11908648426).

Almost surely, 2^23817296851 is an apocalyptic number.

23817296851 is a deficient number, since it is larger than the sum of its proper divisors (1).

23817296851 is an equidigital number, since it uses as much as digits as its factorization.

23817296851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The spelling of 23817296851 in words is "twenty-three billion, eight hundred seventeen million, two hundred ninety-six thousand, eight hundred fifty-one".