23171908307 has 2 divisors, whose sum is σ = 23171908308. Its totient is φ = 23171908306.

The previous prime is 23171908297. The next prime is 23171908321. The reversal of 23171908307 is 70380917132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23171908307 - 2³⁰ = 22098166483 is a prime.

It is not a weakly prime, because it can be changed into another prime (23171608307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11585954153 + 11585954154.

It is an arithmetic number, because the mean of its divisors is an integer number (11585954154).

Almost surely, 2^23171908307 is an apocalyptic number.

23171908307 is a deficient number, since it is larger than the sum of its proper divisors (1).

23171908307 is an equidigital number, since it uses as much as digits as its factorization.

23171908307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 23171908307 in words is "twenty-three billion, one hundred seventy-one million, nine hundred eight thousand, three hundred seven".