23398259 has 2 divisors, whose sum is σ = 23398260. Its totient is φ = 23398258.

The previous prime is 23398241. The next prime is 23398289. The reversal of 23398259 is 95289332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23398259 - 2¹⁶ = 23332723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23398229) 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, 11699129 + 11699130.

It is an arithmetic number, because the mean of its divisors is an integer number (11699130).

Almost surely, 2^23398259 is an apocalyptic number.

23398259 is a deficient number, since it is larger than the sum of its proper divisors (1).

23398259 is an equidigital number, since it uses as much as digits as its factorization.

23398259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 23398259 is about 4837.1746919044. The cubic root of 23398259 is about 286.0187568183.

The spelling of 23398259 in words is "twenty-three million, three hundred ninety-eight thousand, two hundred fifty-nine".