8426423 has 4 divisors (see below), whose sum is σ = 8461920. Its totient is φ = 8390928.

The previous prime is 8426419. The next prime is 8426449. The reversal of 8426423 is 3246248.

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 8426423 - 2² = 8426419 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 4 + 2 + 6³ + 4⁶ + 2²³ + 3⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8426413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17390 + ... + 17867.

It is an arithmetic number, because the mean of its divisors is an integer number (2115480).

Almost surely, 2^8426423 is an apocalyptic number.

8426423 is a deficient number, since it is larger than the sum of its proper divisors (35497).

8426423 is a wasteful number, since it uses less digits than its factorization.

8426423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35496.

The product of its digits is 9216, while the sum is 29.

The square root of 8426423 is about 2902.8301707127. The cubic root of 8426423 is about 203.4921930330.

The spelling of 8426423 in words is "eight million, four hundred twenty-six thousand, four hundred twenty-three".