423172 has 12 divisors (see below), whose sum is σ = 752080. Its totient is φ = 208296.

The previous prime is 423133. The next prime is 423173. The reversal of 423172 is 271324.

It is not an unprimeable number, because it can be changed into a prime (423173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522 + ... + 1057.

2⁴²³¹⁷² is an apocalyptic number.

It is an amenable number.

423172 is a deficient number, since it is larger than the sum of its proper divisors (328908).

423172 is a wasteful number, since it uses less digits than its factorization.

423172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1648 counting only the distinct ones).

The product of its digits is 336, while the sum is 19.

The square root of 423172 is about 650.5167176945. The cubic root of 423172 is about 75.0767806289.

Adding to 423172 its reverse (271324), we get a palindrome (694496).

It can be divided in two parts, 423 and 172, that added together give a palindrome (595).

The spelling of 423172 in words is "four hundred twenty-three thousand, one hundred seventy-two", and thus it is an iban number.