423034342013 has 2 divisors, whose sum is σ = 423034342014. Its totient is φ = 423034342012.

The previous prime is 423034342009. The next prime is 423034342033. The reversal of 423034342013 is 310243430324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423022761604 + 11580409 = 650402^2 + 3403^2 .

It is a cyclic number.

It is not a de Polignac number, because 423034342013 - 2² = 423034342009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423034342033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211517171006 + 211517171007.

It is an arithmetic number, because the mean of its divisors is an integer number (211517171007).

Almost surely, 2^423034342013 is an apocalyptic number.

It is an amenable number.

423034342013 is a deficient number, since it is larger than the sum of its proper divisors (1).

423034342013 is an equidigital number, since it uses as much as digits as its factorization.

423034342013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 423034342013 its reverse (310243430324), we get a palindrome (733277772337).

The spelling of 423034342013 in words is "four hundred twenty-three billion, thirty-four million, three hundred forty-two thousand, thirteen".