23459399 has 2 divisors, whose sum is σ = 23459400. Its totient is φ = 23459398.

The previous prime is 23459363. The next prime is 23459413. The reversal of 23459399 is 99395432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23459399 - 2¹⁶ = 23393863 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23459329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11729699 + 11729700.

It is an arithmetic number, because the mean of its divisors is an integer number (11729700).

Almost surely, 2^23459399 is an apocalyptic number.

23459399 is a deficient number, since it is larger than the sum of its proper divisors (1).

23459399 is an equidigital number, since it uses as much as digits as its factorization.

23459399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 44.

The square root of 23459399 is about 4843.4903736871. The cubic root of 23459399 is about 286.2676639049.

The spelling of 23459399 in words is "twenty-three million, four hundred fifty-nine thousand, three hundred ninety-nine".