23308207009 has 2 divisors, whose sum is σ = 23308207010. Its totient is φ = 23308207008.

The previous prime is 23308206997. The next prime is 23308207019. The reversal of 23308207009 is 90070280332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21573734400 + 1734472609 = 146880^2 + 41647^2 .

It is a cyclic number.

It is not a de Polignac number, because 23308207009 - 2¹¹ = 23308204961 is a prime.

It is not a weakly prime, because it can be changed into another prime (23308207019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11654103504 + 11654103505.

It is an arithmetic number, because the mean of its divisors is an integer number (11654103505).

Almost surely, 2^23308207009 is an apocalyptic number.

It is an amenable number.

23308207009 is a deficient number, since it is larger than the sum of its proper divisors (1).

23308207009 is an equidigital number, since it uses as much as digits as its factorization.

23308207009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 23308207009 in words is "twenty-three billion, three hundred eight million, two hundred seven thousand, nine".