235421125171 has 2 divisors, whose sum is σ = 235421125172. Its totient is φ = 235421125170.

The previous prime is 235421125097. The next prime is 235421125223. The reversal of 235421125171 is 171521124532.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235421125171 is a prime.

It is not a weakly prime, because it can be changed into another prime (235421125271) 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, 117710562585 + 117710562586.

It is an arithmetic number, because the mean of its divisors is an integer number (117710562586).

Almost surely, 2^235421125171 is an apocalyptic number.

235421125171 is a deficient number, since it is larger than the sum of its proper divisors (1).

235421125171 is an equidigital number, since it uses as much as digits as its factorization.

235421125171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 34.

The spelling of 235421125171 in words is "two hundred thirty-five billion, four hundred twenty-one million, one hundred twenty-five thousand, one hundred seventy-one".