23426779 has 2 divisors, whose sum is σ = 23426780. Its totient is φ = 23426778.

The previous prime is 23426773. The next prime is 23426789. The reversal of 23426779 is 97762432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23426779 - 2³ = 23426771 is a prime.

It is not a weakly prime, because it can be changed into another prime (23426771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11713389 + 11713390.

It is an arithmetic number, because the mean of its divisors is an integer number (11713390).

Almost surely, 2^23426779 is an apocalyptic number.

23426779 is a deficient number, since it is larger than the sum of its proper divisors (1).

23426779 is an equidigital number, since it uses as much as digits as its factorization.

23426779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 23426779 is about 4840.1217959882. The cubic root of 23426779 is about 286.1349184939.

The spelling of 23426779 in words is "twenty-three million, four hundred twenty-six thousand, seven hundred seventy-nine".