23199 has 16 divisors (see below), whose sum is σ = 36480. Its totient is φ = 12960.

The previous prime is 23197. The next prime is 23201. The reversal of 23199 is 99132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23197) and next prime (23201).

It is not a de Polignac number, because 23199 - 2¹ = 23197 is a prime.

It is an Ulam number.

23199 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609 + ... + 645.

It is an arithmetic number, because the mean of its divisors is an integer number (2280).

2²³¹⁹⁹ is an apocalyptic number.

23199 is a deficient number, since it is larger than the sum of its proper divisors (13281).

23199 is a wasteful number, since it uses less digits than its factorization.

23199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70.

The product of its digits is 486, while the sum is 24.

The square root of 23199 is about 152.3121794211. The cubic root of 23199 is about 28.5204531544.

It can be divided in two parts, 23 and 199, that added together give a palindrome (222).

The spelling of 23199 in words is "twenty-three thousand, one hundred ninety-nine".