23536430609 has 2 divisors, whose sum is σ = 23536430610. Its totient is φ = 23536430608.

The previous prime is 23536430569. The next prime is 23536430611. The reversal of 23536430609 is 90603463532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19785235600 + 3751195009 = 140660^2 + 61247^2 .

It is a cyclic number.

It is not a de Polignac number, because 23536430609 - 2⁸ = 23536430353 is a prime.

It is a super-2 number, since 2×23536430609² (a number of 22 digits) contains 22 as substring.

Together with 23536430611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23536430689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11768215304 + 11768215305.

It is an arithmetic number, because the mean of its divisors is an integer number (11768215305).

Almost surely, 2^23536430609 is an apocalyptic number.

It is an amenable number.

23536430609 is a deficient number, since it is larger than the sum of its proper divisors (1).

23536430609 is an equidigital number, since it uses as much as digits as its factorization.

23536430609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 41.

The spelling of 23536430609 in words is "twenty-three billion, five hundred thirty-six million, four hundred thirty thousand, six hundred nine".