23400259 has 2 divisors, whose sum is σ = 23400260. Its totient is φ = 23400258.

The previous prime is 23400253. The next prime is 23400331. The reversal of 23400259 is 95200432.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23400259 is a prime.

It is not a weakly prime, because it can be changed into another prime (23400253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11700129 + 11700130.

It is an arithmetic number, because the mean of its divisors is an integer number (11700130).

Almost surely, 2^23400259 is an apocalyptic number.

23400259 is a deficient number, since it is larger than the sum of its proper divisors (1).

23400259 is an equidigital number, since it uses as much as digits as its factorization.

23400259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 23400259 is about 4837.3814197353. The cubic root of 23400259 is about 286.0269058750.

The spelling of 23400259 in words is "twenty-three million, four hundred thousand, two hundred fifty-nine".