423344113 has 2 divisors, whose sum is σ = 423344114. Its totient is φ = 423344112.

The previous prime is 423344101. The next prime is 423344177. The reversal of 423344113 is 311443324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317089249 + 106254864 = 17807^2 + 10308^2 .

It is a cyclic number.

It is not a de Polignac number, because 423344113 - 2⁹ = 423343601 is a prime.

It is not a weakly prime, because it can be changed into another prime (423344413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211672056 + 211672057.

It is an arithmetic number, because the mean of its divisors is an integer number (211672057).

Almost surely, 2^423344113 is an apocalyptic number.

It is an amenable number.

423344113 is a deficient number, since it is larger than the sum of its proper divisors (1).

423344113 is an equidigital number, since it uses as much as digits as its factorization.

423344113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 423344113 is about 20575.3277738169. The cubic root of 423344113 is about 750.8695768732.

Adding to 423344113 its reverse (311443324), we get a palindrome (734787437).

The spelling of 423344113 in words is "four hundred twenty-three million, three hundred forty-four thousand, one hundred thirteen".