422344442323 has 2 divisors, whose sum is σ = 422344442324. Its totient is φ = 422344442322.

The previous prime is 422344442281. The next prime is 422344442417. The reversal of 422344442323 is 323244443224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422344442323 - 2¹⁷ = 422344311251 is a prime.

It is a super-2 number, since 2×422344442323² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (422344442423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211172221161 + 211172221162.

It is an arithmetic number, because the mean of its divisors is an integer number (211172221162).

Almost surely, 2^422344442323 is an apocalyptic number.

422344442323 is a deficient number, since it is larger than the sum of its proper divisors (1).

422344442323 is an equidigital number, since it uses as much as digits as its factorization.

422344442323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 37.

Adding to 422344442323 its reverse (323244443224), we get a palindrome (745588885547).

Subtracting from 422344442323 its reverse (323244443224), we obtain a palindrome (99099999099).

The spelling of 422344442323 in words is "four hundred twenty-two billion, three hundred forty-four million, four hundred forty-two thousand, three hundred twenty-three".