23297269 has 4 divisors (see below), whose sum is σ = 23319244. Its totient is φ = 23275296.

The previous prime is 23297257. The next prime is 23297273. The reversal of 23297269 is 96279232.

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 12341169 + 10956100 = 3513^2 + 3310^2 .

It is a cyclic number.

It is not a de Polignac number, because 23297269 - 2²¹ = 21200117 is a prime.

It is a super-2 number, since 2×23297269² = 1085525485716722, 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 (23297279) 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, 9312 + ... + 11545.

It is an arithmetic number, because the mean of its divisors is an integer number (5829811).

Almost surely, 2^23297269 is an apocalyptic number.

It is an amenable number.

23297269 is a deficient number, since it is larger than the sum of its proper divisors (21975).

23297269 is a wasteful number, since it uses less digits than its factorization.

23297269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21974.

The product of its digits is 81648, while the sum is 40.

The square root of 23297269 is about 4826.7244586780. The cubic root of 23297269 is about 285.6066650269.

The spelling of 23297269 in words is "twenty-three million, two hundred ninety-seven thousand, two hundred sixty-nine".