423222112013 has 2 divisors, whose sum is σ = 423222112014. Its totient is φ = 423222112012.

The previous prime is 423222112003. The next prime is 423222112037. The reversal of 423222112013 is 310211222324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365392443529 + 57829668484 = 604477^2 + 240478^2 .

It is a cyclic number.

It is not a de Polignac number, because 423222112013 - 2⁴ = 423222111997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423222112013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423222112003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211611056006 + 211611056007.

It is an arithmetic number, because the mean of its divisors is an integer number (211611056007).

Almost surely, 2^423222112013 is an apocalyptic number.

It is an amenable number.

423222112013 is a deficient number, since it is larger than the sum of its proper divisors (1).

423222112013 is an equidigital number, since it uses as much as digits as its factorization.

423222112013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 423222112013 its reverse (310211222324), we get a palindrome (733433334337).

The spelling of 423222112013 in words is "four hundred twenty-three billion, two hundred twenty-two million, one hundred twelve thousand, thirteen".