23171710171 has 2 divisors, whose sum is σ = 23171710172. Its totient is φ = 23171710170.

The previous prime is 23171710147. The next prime is 23171710223. The reversal of 23171710171 is 17101717132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23171710171 - 2³¹ = 21024226523 is a prime.

It is not a weakly prime, because it can be changed into another prime (23171750171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11585855085 + 11585855086.

It is an arithmetic number, because the mean of its divisors is an integer number (11585855086).

Almost surely, 2^23171710171 is an apocalyptic number.

23171710171 is a deficient number, since it is larger than the sum of its proper divisors (1).

23171710171 is an equidigital number, since it uses as much as digits as its factorization.

23171710171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2058, while the sum is 31.

The spelling of 23171710171 in words is "twenty-three billion, one hundred seventy-one million, seven hundred ten thousand, one hundred seventy-one".