23169 has 4 divisors (see below), whose sum is σ = 30896. Its totient is φ = 15444.

The previous prime is 23167. The next prime is 23173. The reversal of 23169 is 96132.

23169 = 27² + 28² + ... + 44².

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23169 - 2¹ = 23167 is a prime.

It is a super-2 number, since 2×23169² = 1073605122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

23169 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (23167) 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, 3859 + ... + 3864.

It is an arithmetic number, because the mean of its divisors is an integer number (7724).

2²³¹⁶⁹ is an apocalyptic number.

It is an amenable number.

23169 is a deficient number, since it is larger than the sum of its proper divisors (7727).

23169 is an equidigital number, since it uses as much as digits as its factorization.

23169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726.

The product of its digits is 324, while the sum is 21.

The square root of 23169 is about 152.2136656151. The cubic root of 23169 is about 28.5081540227.

It can be divided in two parts, 231 and 69, that added together give a triangular number (300 = T₂₄).

The spelling of 23169 in words is "twenty-three thousand, one hundred sixty-nine".