426425423 has 2 divisors, whose sum is σ = 426425424. Its totient is φ = 426425422.

The previous prime is 426425413. The next prime is 426425437. The reversal of 426425423 is 324524624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426425423 - 2¹⁰ = 426424399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426425423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426425413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213212711 + 213212712.

It is an arithmetic number, because the mean of its divisors is an integer number (213212712).

Almost surely, 2^426425423 is an apocalyptic number.

426425423 is a deficient number, since it is larger than the sum of its proper divisors (1).

426425423 is an equidigital number, since it uses as much as digits as its factorization.

426425423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 32.

The square root of 426425423 is about 20650.0707746971. The cubic root of 426425423 is about 752.6869094910.

The spelling of 426425423 in words is "four hundred twenty-six million, four hundred twenty-five thousand, four hundred twenty-three".