12143023171 has 2 divisors, whose sum is σ = 12143023172. Its totient is φ = 12143023170.

The previous prime is 12143023163. The next prime is 12143023219. The reversal of 12143023171 is 17132034121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12143023171 - 2³ = 12143023163 is a prime.

It is not a weakly prime, because it can be changed into another prime (12143023111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071511585 + 6071511586.

It is an arithmetic number, because the mean of its divisors is an integer number (6071511586).

Almost surely, 2^12143023171 is an apocalyptic number.

12143023171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12143023171 is an equidigital number, since it uses as much as digits as its factorization.

12143023171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 12143023171 its reverse (17132034121), we get a palindrome (29275057292).

The spelling of 12143023171 in words is "twelve billion, one hundred forty-three million, twenty-three thousand, one hundred seventy-one".