23119 has 4 divisors (see below), whose sum is σ = 23560. Its totient is φ = 22680.

The previous prime is 23117. The next prime is 23131. The reversal of 23119 is 91132.

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

It is a cyclic number.

It is not a de Polignac number, because 23119 - 2¹ = 23117 is a prime.

It is a super-2 number, since 2×23119² = 1068976322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129 + ... + 250.

It is an arithmetic number, because the mean of its divisors is an integer number (5890).

2²³¹¹⁹ is an apocalyptic number.

23119 is a deficient number, since it is larger than the sum of its proper divisors (441).

23119 is an equidigital number, since it uses as much as digits as its factorization.

23119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440.

The product of its digits is 54, while the sum is 16.

The square root of 23119 is about 152.0493340992. The cubic root of 23119 is about 28.4876318551.

The spelling of 23119 in words is "twenty-three thousand, one hundred nineteen".