23569369 has 2 divisors, whose sum is σ = 23569370. Its totient is φ = 23569368.

The previous prime is 23569321. The next prime is 23569409. The reversal of 23569369 is 96396532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15303744 + 8265625 = 3912^2 + 2875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23569369 is a prime.

It is a super-2 number, since 2×23569369² = 1111030310116322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23569309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11784684 + 11784685.

It is an arithmetic number, because the mean of its divisors is an integer number (11784685).

Almost surely, 2^23569369 is an apocalyptic number.

It is an amenable number.

23569369 is a deficient number, since it is larger than the sum of its proper divisors (1).

23569369 is an equidigital number, since it uses as much as digits as its factorization.

23569369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 43.

The square root of 23569369 is about 4854.8294511754. The cubic root of 23569369 is about 286.7142765405.

The spelling of 23569369 in words is "twenty-three million, five hundred sixty-nine thousand, three hundred sixty-nine".