23929198171 has 2 divisors, whose sum is σ = 23929198172. Its totient is φ = 23929198170.

The previous prime is 23929198133. The next prime is 23929198199. The reversal of 23929198171 is 17189192932.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23929198171 - 2⁹ = 23929197659 is a prime.

It is not a weakly prime, because it can be changed into another prime (23929148171) 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, 11964599085 + 11964599086.

It is an arithmetic number, because the mean of its divisors is an integer number (11964599086).

Almost surely, 2^23929198171 is an apocalyptic number.

23929198171 is a deficient number, since it is larger than the sum of its proper divisors (1).

23929198171 is an equidigital number, since it uses as much as digits as its factorization.

23929198171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 52.

The spelling of 23929198171 in words is "twenty-three billion, nine hundred twenty-nine million, one hundred ninety-eight thousand, one hundred seventy-one".