422321040923 has 2 divisors, whose sum is σ = 422321040924. Its totient is φ = 422321040922.

The previous prime is 422321040893. The next prime is 422321041027. The reversal of 422321040923 is 329040123224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422321040923 - 2¹⁸ = 422320778779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422321040923.

It is not a weakly prime, because it can be changed into another prime (422321060923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211160520461 + 211160520462.

It is an arithmetic number, because the mean of its divisors is an integer number (211160520462).

Almost surely, 2^422321040923 is an apocalyptic number.

422321040923 is a deficient number, since it is larger than the sum of its proper divisors (1).

422321040923 is an equidigital number, since it uses as much as digits as its factorization.

422321040923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 422321040923 in words is "four hundred twenty-two billion, three hundred twenty-one million, forty thousand, nine hundred twenty-three".