423426 has 8 divisors (see below), whose sum is σ = 846864. Its totient is φ = 141140.

The previous prime is 423413. The next prime is 423427. The reversal of 423426 is 624324.

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

423426 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 423426.

It is not an unprimeable number, because it can be changed into a prime (423427) by changing a digit.

423426 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35280 + ... + 35291.

It is an arithmetic number, because the mean of its divisors is an integer number (105858).

2⁴²³⁴²⁶ is an apocalyptic number.

423426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423426 is a wasteful number, since it uses less digits than its factorization.

423426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70576.

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

The square root of 423426 is about 650.7119178254. The cubic root of 423426 is about 75.0917987052.

The spelling of 423426 in words is "four hundred twenty-three thousand, four hundred twenty-six".