423422424224321 has 2 divisors, whose sum is σ = 423422424224322. Its totient is φ = 423422424224320.

The previous prime is 423422424224311. The next prime is 423422424224339. The reversal of 423422424224321 is 123422424224324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405601876993600 + 17820547230721 = 20139560^2 + 4221439^2 .

It is a cyclic number.

It is not a de Polignac number, because 423422424224321 - 2¹⁰ = 423422424223297 is a prime.

It is a super-2 number, since 2×423422424224321² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423422424224311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211711212112160 + 211711212112161.

It is an arithmetic number, because the mean of its divisors is an integer number (211711212112161).

Almost surely, 2^{423422424224321} is an apocalyptic number.

It is an amenable number.

423422424224321 is a deficient number, since it is larger than the sum of its proper divisors (1).

423422424224321 is an equidigital number, since it uses as much as digits as its factorization.

423422424224321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1179648, while the sum is 41.

Adding to 423422424224321 its reverse (123422424224324), we get a palindrome (546844848448645).

The spelling of 423422424224321 in words is "four hundred twenty-three trillion, four hundred twenty-two billion, four hundred twenty-four million, two hundred twenty-four thousand, three hundred twenty-one".