423472 has 40 divisors (see below), whose sum is σ = 992000. Its totient is φ = 171072.

The previous prime is 423469. The next prime is 423481. The reversal of 423472 is 274324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2029 + ... + 2227.

It is an arithmetic number, because the mean of its divisors is an integer number (24800).

2⁴²³⁴⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496000).

423472 is an abundant number, since it is smaller than the sum of its proper divisors (568528).

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

423472 is a wasteful number, since it uses less digits than its factorization.

423472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 227 counting only the distinct ones).

The product of its digits is 1344, while the sum is 22.

The square root of 423472 is about 650.7472627680. The cubic root of 423472 is about 75.0945178720.

Adding to 423472 its reverse (274324), we get a palindrome (697796).

The spelling of 423472 in words is "four hundred twenty-three thousand, four hundred seventy-two", and thus it is an iban number.