23099 has 2 divisors, whose sum is σ = 23100. Its totient is φ = 23098.

The previous prime is 23087. The next prime is 23117. The reversal of 23099 is 99032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23099 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (23029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11549 + 11550.

It is an arithmetic number, because the mean of its divisors is an integer number (11550).

2²³⁰⁹⁹ is an apocalyptic number.

23099 is a deficient number, since it is larger than the sum of its proper divisors (1).

23099 is an equidigital number, since it uses as much as digits as its factorization.

23099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 23099 is about 151.9835517416. The cubic root of 23099 is about 28.4794147031.

The spelling of 23099 in words is "twenty-three thousand, ninety-nine".