423312 has 20 divisors (see below), whose sum is σ = 1093680. Its totient is φ = 141088.

The previous prime is 423307. The next prime is 423323. The reversal of 423312 is 213324.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 423291 and 423300.

It is an unprimeable number.

423312 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, 4362 + ... + 4457.

It is an arithmetic number, because the mean of its divisors is an integer number (54684).

2⁴²³³¹² is an apocalyptic number.

It is an amenable number.

423312 is an abundant number, since it is smaller than the sum of its proper divisors (670368).

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

423312 is a wasteful number, since it uses less digits than its factorization.

423312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8830 (or 8824 counting only the distinct ones).

The product of its digits is 144, while the sum is 15.

The square root of 423312 is about 650.6243155616. The cubic root of 423312 is about 75.0850590519.

Adding to 423312 its reverse (213324), we get a palindrome (636636).

The spelling of 423312 in words is "four hundred twenty-three thousand, three hundred twelve", and thus it is an iban number.