23765089 has 2 divisors, whose sum is σ = 23765090. Its totient is φ = 23765088.

The previous prime is 23765083. The next prime is 23765149. The reversal of 23765089 is 98056732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15880225 + 7884864 = 3985^2 + 2808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23765089 is a prime.

It is not a weakly prime, because it can be changed into another prime (23765083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11882544 + 11882545.

It is an arithmetic number, because the mean of its divisors is an integer number (11882545).

Almost surely, 2^23765089 is an apocalyptic number.

It is an amenable number.

23765089 is a deficient number, since it is larger than the sum of its proper divisors (1).

23765089 is an equidigital number, since it uses as much as digits as its factorization.

23765089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 23765089 is about 4874.9450253311. The cubic root of 23765089 is about 287.5057148202.

The spelling of 23765089 in words is "twenty-three million, seven hundred sixty-five thousand, eighty-nine".