23559089 has 2 divisors, whose sum is σ = 23559090. Its totient is φ = 23559088.

The previous prime is 23559077. The next prime is 23559091. The reversal of 23559089 is 98095532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23116864 + 442225 = 4808^2 + 665^2 .

It is a cyclic number.

It is not a de Polignac number, because 23559089 - 2⁴ = 23559073 is a prime.

It is a Sophie Germain prime.

Together with 23559091, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23559589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11779544 + 11779545.

It is an arithmetic number, because the mean of its divisors is an integer number (11779545).

Almost surely, 2^23559089 is an apocalyptic number.

It is an amenable number.

23559089 is a deficient number, since it is larger than the sum of its proper divisors (1).

23559089 is an equidigital number, since it uses as much as digits as its factorization.

23559089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 23559089 is about 4853.7705961448. The cubic root of 23559089 is about 286.6725861106.

The spelling of 23559089 in words is "twenty-three million, five hundred fifty-nine thousand, eighty-nine".