423418 has 8 divisors (see below), whose sum is σ = 640512. Its totient is φ = 209916.

The previous prime is 423413. The next prime is 423427. The reversal of 423418 is 814324.

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

It is not an unprimeable number, because it can be changed into a prime (423413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580 + ... + 1087.

It is an arithmetic number, because the mean of its divisors is an integer number (80064).

2⁴²³⁴¹⁸ is an apocalyptic number.

423418 is a deficient number, since it is larger than the sum of its proper divisors (217094).

423418 is a wasteful number, since it uses less digits than its factorization.

423418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796.

The product of its digits is 768, while the sum is 22.

The square root of 423418 is about 650.7057706829. The cubic root of 423418 is about 75.0913257866.

It can be divided in two parts, 423 and 418, that added together give a square (841 = 29²).

The spelling of 423418 in words is "four hundred twenty-three thousand, four hundred eighteen".