422454323 has 2 divisors, whose sum is σ = 422454324. Its totient is φ = 422454322.

The previous prime is 422454247. The next prime is 422454349. The reversal of 422454323 is 323454224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422454323 - 2¹⁶ = 422388787 is a prime.

It is not a weakly prime, because it can be changed into another prime (422454023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211227161 + 211227162.

It is an arithmetic number, because the mean of its divisors is an integer number (211227162).

Almost surely, 2^422454323 is an apocalyptic number.

422454323 is a deficient number, since it is larger than the sum of its proper divisors (1).

422454323 is an equidigital number, since it uses as much as digits as its factorization.

422454323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 29.

The square root of 422454323 is about 20553.6936583184. The cubic root of 422454323 is about 750.3431454961.

Subtracting from 422454323 its reverse (323454224), we obtain a palindrome (99000099).

The spelling of 422454323 in words is "four hundred twenty-two million, four hundred fifty-four thousand, three hundred twenty-three".