23130269 has 4 divisors (see below), whose sum is σ = 23447196. Its totient is φ = 22813344.

The previous prime is 23130253. The next prime is 23130287. The reversal of 23130269 is 96203132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4897369 + 18232900 = 2213^2 + 4270^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130269 - 2⁴ = 23130253 is a prime.

It is a super-2 number, since 2×23130269² = 1070018688024722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130169) 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, 158354 + ... + 158499.

It is an arithmetic number, because the mean of its divisors is an integer number (5861799).

Almost surely, 2^23130269 is an apocalyptic number.

It is an amenable number.

23130269 is a deficient number, since it is larger than the sum of its proper divisors (316927).

23130269 is an equidigital number, since it uses as much as digits as its factorization.

23130269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316926.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 23130269 is about 4809.3938287481. The cubic root of 23130269 is about 284.9225972217.

The spelling of 23130269 in words is "twenty-three million, one hundred thirty thousand, two hundred sixty-nine".