23599 has 2 divisors, whose sum is σ = 23600. Its totient is φ = 23598.

The previous prime is 23593. The next prime is 23603. The reversal of 23599 is 99532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23599 - 2⁵ = 23567 is a prime.

It is a Chen prime.

It is a plaindrome in base 5 and base 10.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11799 + 11800.

It is an arithmetic number, because the mean of its divisors is an integer number (11800).

2²³⁵⁹⁹ is an apocalyptic number.

23599 is a deficient number, since it is larger than the sum of its proper divisors (1).

23599 is an equidigital number, since it uses as much as digits as its factorization.

23599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430, while the sum is 28.

The square root of 23599 is about 153.6196602001. The cubic root of 23599 is about 28.6834376956.

The spelling of 23599 in words is "twenty-three thousand, five hundred ninety-nine".