23799 has 4 divisors (see below), whose sum is σ = 31736. Its totient is φ = 15864.

The previous prime is 23789. The next prime is 23801. The reversal of 23799 is 99732.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23799 - 2⁵ = 23767 is a prime.

It is a D-number.

It is a Duffinian number.

23799 is a lucky number.

It is a plaindrome in base 10.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3964 + ... + 3969.

It is an arithmetic number, because the mean of its divisors is an integer number (7934).

2²³⁷⁹⁹ is an apocalyptic number.

23799 is a deficient number, since it is larger than the sum of its proper divisors (7937).

23799 is an equidigital number, since it uses as much as digits as its factorization.

23799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936.

The product of its digits is 3402, while the sum is 30.

The square root of 23799 is about 154.2692451528. The cubic root of 23799 is about 28.7642399527.

The spelling of 23799 in words is "twenty-three thousand, seven hundred ninety-nine".