422165602823 has 2 divisors, whose sum is σ = 422165602824. Its totient is φ = 422165602822.

The previous prime is 422165602811. The next prime is 422165602829. The reversal of 422165602823 is 328206561224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422165602823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422165602829) 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, 211082801411 + 211082801412.

It is an arithmetic number, because the mean of its divisors is an integer number (211082801412).

Almost surely, 2^422165602823 is an apocalyptic number.

422165602823 is a deficient number, since it is larger than the sum of its proper divisors (1).

422165602823 is an equidigital number, since it uses as much as digits as its factorization.

422165602823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 422165602823 in words is "four hundred twenty-two billion, one hundred sixty-five million, six hundred two thousand, eight hundred twenty-three".