423231052171 has 2 divisors, whose sum is σ = 423231052172. Its totient is φ = 423231052170.

The previous prime is 423231052163. The next prime is 423231052201. The reversal of 423231052171 is 171250132324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423231052171 - 2³ = 423231052163 is a prime.

It is not a weakly prime, because it can be changed into another prime (423231052121) 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, 211615526085 + 211615526086.

It is an arithmetic number, because the mean of its divisors is an integer number (211615526086).

Almost surely, 2^423231052171 is an apocalyptic number.

423231052171 is a deficient number, since it is larger than the sum of its proper divisors (1).

423231052171 is an equidigital number, since it uses as much as digits as its factorization.

423231052171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 423231052171 its reverse (171250132324), we get a palindrome (594481184495).

The spelling of 423231052171 in words is "four hundred twenty-three billion, two hundred thirty-one million, fifty-two thousand, one hundred seventy-one".