23319 has 6 divisors (see below), whose sum is σ = 33696. Its totient is φ = 15540.

The previous prime is 23311. The next prime is 23321. The reversal of 23319 is 91332.

It is not a de Polignac number, because 23319 - 2³ = 23311 is a prime.

It is a super-2 number, since 2×23319² = 1087551522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1287 + ... + 1304.

It is an arithmetic number, because the mean of its divisors is an integer number (5616).

2²³³¹⁹ is an apocalyptic number.

23319 is a deficient number, since it is larger than the sum of its proper divisors (10377).

23319 is a wasteful number, since it uses less digits than its factorization.

23319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597 (or 2594 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 23319 is about 152.7055991115. The cubic root of 23319 is about 28.5695439233.

It can be divided in two parts, 233 and 19, that added together give a palindrome (252).

The spelling of 23319 in words is "twenty-three thousand, three hundred nineteen".