426423 has 8 divisors (see below), whose sum is σ = 571648. Its totient is φ = 282744.

The previous prime is 426421. The next prime is 426427. The reversal of 426423 is 324624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426423 - 2¹ = 426421 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 426423.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 426423.

It is not an unprimeable number, because it can be changed into a prime (426421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690 + ... + 1152.

It is an arithmetic number, because the mean of its divisors is an integer number (71456).

2⁴²⁶⁴²³ is an apocalyptic number.

426423 is a deficient number, since it is larger than the sum of its proper divisors (145225).

426423 is a wasteful number, since it uses less digits than its factorization.

426423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773.

The product of its digits is 1152, while the sum is 21.

The square root of 426423 is about 653.0107196670. The cubic root of 426423 is about 75.2685483869.

The spelling of 426423 in words is "four hundred twenty-six thousand, four hundred twenty-three".