23318969 has 4 divisors (see below), whose sum is σ = 23332644. Its totient is φ = 23305296.

The previous prime is 23318963. The next prime is 23318989. The reversal of 23318969 is 96981332.

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 8970025 + 14348944 = 2995^2 + 3788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23318969 is a prime.

It is a super-2 number, since 2×23318969² = 1087548630445922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23318963) 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, 3842 + ... + 7835.

It is an arithmetic number, because the mean of its divisors is an integer number (5833161).

Almost surely, 2^23318969 is an apocalyptic number.

It is an amenable number.

23318969 is a deficient number, since it is larger than the sum of its proper divisors (13675).

23318969 is a wasteful number, since it uses less digits than its factorization.

23318969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13674.

The product of its digits is 69984, while the sum is 41.

The square root of 23318969 is about 4828.9718367371. The cubic root of 23318969 is about 285.6953126330.

The spelling of 23318969 in words is "twenty-three million, three hundred eighteen thousand, nine hundred sixty-nine".