23922851 has 2 divisors, whose sum is σ = 23922852. Its totient is φ = 23922850.

The previous prime is 23922799. The next prime is 23922853. The reversal of 23922851 is 15822932.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23922851 - 2¹⁰ = 23921827 is a prime.

It is a Sophie Germain prime.

Together with 23922853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23922853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11961425 + 11961426.

It is an arithmetic number, because the mean of its divisors is an integer number (11961426).

Almost surely, 2^23922851 is an apocalyptic number.

23922851 is a deficient number, since it is larger than the sum of its proper divisors (1).

23922851 is an equidigital number, since it uses as much as digits as its factorization.

23922851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 23922851 is about 4891.0991607204. The cubic root of 23922851 is about 288.1405041981.

The spelling of 23922851 in words is "twenty-three million, nine hundred twenty-two thousand, eight hundred fifty-one".