426823427 has 4 divisors (see below), whose sum is σ = 426868416. Its totient is φ = 426778440.

The previous prime is 426823417. The next prime is 426823447. The reversal of 426823427 is 724328624.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 426823427 - 2⁸ = 426823171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426823417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099 + ... + 29292.

It is an arithmetic number, because the mean of its divisors is an integer number (106717104).

Almost surely, 2^426823427 is an apocalyptic number.

426823427 is a deficient number, since it is larger than the sum of its proper divisors (44989).

426823427 is a wasteful number, since it uses less digits than its factorization.

426823427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44988.

The product of its digits is 129024, while the sum is 38.

The square root of 426823427 is about 20659.7053948017. The cubic root of 426823427 is about 752.9210100167.

The spelling of 426823427 in words is "four hundred twenty-six million, eight hundred twenty-three thousand, four hundred twenty-seven".