423422124042217 has 2 divisors, whose sum is σ = 423422124042218. Its totient is φ = 423422124042216.

The previous prime is 423422124042133. The next prime is 423422124042227. The reversal of 423422124042217 is 712240421224324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274134878166361 + 149287245875856 = 16557019^2 + 12218316^2 .

It is a cyclic number.

It is not a de Polignac number, because 423422124042217 - 2¹¹ = 423422124040169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423422124042217.

It is not a weakly prime, because it can be changed into another prime (423422124042227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211711062021108 + 211711062021109.

It is an arithmetic number, because the mean of its divisors is an integer number (211711062021109).

Almost surely, 2^{423422124042217} is an apocalyptic number.

It is an amenable number.

423422124042217 is a deficient number, since it is larger than the sum of its proper divisors (1).

423422124042217 is an equidigital number, since it uses as much as digits as its factorization.

423422124042217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 40.

The spelling of 423422124042217 in words is "four hundred twenty-three trillion, four hundred twenty-two billion, one hundred twenty-four million, forty-two thousand, two hundred seventeen".