23108779 has 2 divisors, whose sum is σ = 23108780. Its totient is φ = 23108778.

The previous prime is 23108773. The next prime is 23108791. The reversal of 23108779 is 97780132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23108779 - 2⁵ = 23108747 is a prime.

It is not a weakly prime, because it can be changed into another prime (23108773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11554389 + 11554390.

It is an arithmetic number, because the mean of its divisors is an integer number (11554390).

Almost surely, 2^23108779 is an apocalyptic number.

23108779 is a deficient number, since it is larger than the sum of its proper divisors (1).

23108779 is an equidigital number, since it uses as much as digits as its factorization.

23108779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 23108779 is about 4807.1591402823. The cubic root of 23108779 is about 284.8343307190.

The spelling of 23108779 in words is "twenty-three million, one hundred eight thousand, seven hundred seventy-nine".