2123434171 has 2 divisors, whose sum is σ = 2123434172. Its totient is φ = 2123434170.

The previous prime is 2123434163. The next prime is 2123434177. The reversal of 2123434171 is 1714343212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2123434171 - 2³ = 2123434163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123434177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061717085 + 1061717086.

It is an arithmetic number, because the mean of its divisors is an integer number (1061717086).

Almost surely, 2^2123434171 is an apocalyptic number.

2123434171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123434171 is an equidigital number, since it uses as much as digits as its factorization.

2123434171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 2123434171 is about 46080.7353565457. The cubic root of 2123434171 is about 1285.3249383409.

Adding to 2123434171 its reverse (1714343212), we get a palindrome (3837777383).

The spelling of 2123434171 in words is "two billion, one hundred twenty-three million, four hundred thirty-four thousand, one hundred seventy-one".