23399759 has 2 divisors, whose sum is σ = 23399760. Its totient is φ = 23399758.

The previous prime is 23399743. The next prime is 23399767. The reversal of 23399759 is 95799332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23399759 - 2⁴ = 23399743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23399729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11699879 + 11699880.

It is an arithmetic number, because the mean of its divisors is an integer number (11699880).

Almost surely, 2^23399759 is an apocalyptic number.

23399759 is a deficient number, since it is larger than the sum of its proper divisors (1).

23399759 is an equidigital number, since it uses as much as digits as its factorization.

23399759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 459270, while the sum is 47.

The square root of 23399759 is about 4837.3297386058. The cubic root of 23399759 is about 286.0248686544.

The spelling of 23399759 in words is "twenty-three million, three hundred ninety-nine thousand, seven hundred fifty-nine".