423672 has 32 divisors (see below), whose sum is σ = 1075200. Its totient is φ = 139104.

The previous prime is 423667. The next prime is 423697. The reversal of 423672 is 276324.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is a congruent number.

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, 2979 + ... + 3117.

It is an arithmetic number, because the mean of its divisors is an integer number (33600).

2⁴²³⁶⁷² is an apocalyptic number.

It is an amenable number.

423672 is an abundant number, since it is smaller than the sum of its proper divisors (651528).

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

423672 is a wasteful number, since it uses less digits than its factorization.

423672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 271 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 423672 is about 650.9009141183. The cubic root of 423672 is about 75.1063380472.

Adding to 423672 its reverse (276324), we get a palindrome (699996).

The spelling of 423672 in words is "four hundred twenty-three thousand, six hundred seventy-two".