23260899509 has 2 divisors, whose sum is σ = 23260899510. Its totient is φ = 23260899508.

The previous prime is 23260899491. The next prime is 23260899527. The reversal of 23260899509 is 90599806232.

It is a balanced prime because it is at equal distance from previous prime (23260899491) and next prime (23260899527).

It can be written as a sum of positive squares in only one way, i.e., 11992440100 + 11268459409 = 109510^2 + 106153^2 .

It is a cyclic number.

It is not a de Polignac number, because 23260899509 - 2⁸ = 23260899253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23260898509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11630449754 + 11630449755.

It is an arithmetic number, because the mean of its divisors is an integer number (11630449755).

Almost surely, 2^23260899509 is an apocalyptic number.

It is an amenable number.

23260899509 is a deficient number, since it is larger than the sum of its proper divisors (1).

23260899509 is an equidigital number, since it uses as much as digits as its factorization.

23260899509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 23260899509 in words is "twenty-three billion, two hundred sixty million, eight hundred ninety-nine thousand, five hundred nine".