422043423334321 has 2 divisors, whose sum is σ = 422043423334322. Its totient is φ = 422043423334320.

The previous prime is 422043423334307. The next prime is 422043423334343. The reversal of 422043423334321 is 123433324340224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214199733598096 + 207843689736225 = 14635564^2 + 14416785^2 .

It is a cyclic number.

It is not a de Polignac number, because 422043423334321 - 2¹⁷ = 422043423203249 is a prime.

It is not a weakly prime, because it can be changed into another prime (422043423334021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211021711667160 + 211021711667161.

It is an arithmetic number, because the mean of its divisors is an integer number (211021711667161).

Almost surely, 2^{422043423334321} is an apocalyptic number.

It is an amenable number.

422043423334321 is a deficient number, since it is larger than the sum of its proper divisors (1).

422043423334321 is an equidigital number, since it uses as much as digits as its factorization.

422043423334321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 40.

Adding to 422043423334321 its reverse (123433324340224), we get a palindrome (545476747674545).

The spelling of 422043423334321 in words is "four hundred twenty-two trillion, forty-three billion, four hundred twenty-three million, three hundred thirty-four thousand, three hundred twenty-one".