23537089 has 2 divisors, whose sum is σ = 23537090. Its totient is φ = 23537088.

The previous prime is 23537081. The next prime is 23537093. The reversal of 23537089 is 98073532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19210689 + 4326400 = 4383^2 + 2080^2 .

It is a cyclic number.

It is not a de Polignac number, because 23537089 - 2³ = 23537081 is a prime.

It is not a weakly prime, because it can be changed into another prime (23537081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11768544 + 11768545.

It is an arithmetic number, because the mean of its divisors is an integer number (11768545).

Almost surely, 2^23537089 is an apocalyptic number.

It is an amenable number.

23537089 is a deficient number, since it is larger than the sum of its proper divisors (1).

23537089 is an equidigital number, since it uses as much as digits as its factorization.

23537089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 23537089 is about 4851.5037874869. The cubic root of 23537089 is about 286.5833245796.

The spelling of 23537089 in words is "twenty-three million, five hundred thirty-seven thousand, eighty-nine".