426893423 has 4 divisors (see below), whose sum is σ = 465701928. Its totient is φ = 388084920.

The previous prime is 426893413. The next prime is 426893431. The reversal of 426893423 is 324398624.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426893423 - 2²⁰ = 425844847 is a prime.

It is a super-3 number, since 3×426893423³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426893413) 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, 19404236 + ... + 19404257.

It is an arithmetic number, because the mean of its divisors is an integer number (116425482).

Almost surely, 2^426893423 is an apocalyptic number.

426893423 is a deficient number, since it is larger than the sum of its proper divisors (38808505).

426893423 is a wasteful number, since it uses less digits than its factorization.

426893423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38808504.

The product of its digits is 248832, while the sum is 41.

The square root of 426893423 is about 20661.3993475757. The cubic root of 426893423 is about 752.9621656602.

The spelling of 426893423 in words is "four hundred twenty-six million, eight hundred ninety-three thousand, four hundred twenty-three".