423231332 has 12 divisors (see below), whose sum is σ = 741242880. Its totient is φ = 211447656.

The previous prime is 423231317. The next prime is 423231343. The reversal of 423231332 is 233132324.

It is a junction number, because it is equal to n+sod(n) for n = 423231298 and 423231307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36248 + ... + 46479.

It is an arithmetic number, because the mean of its divisors is an integer number (61770240).

Almost surely, 2^423231332 is an apocalyptic number.

It is an amenable number.

423231332 is a deficient number, since it is larger than the sum of its proper divisors (318011548).

423231332 is a wasteful number, since it uses less digits than its factorization.

423231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84010 (or 84008 counting only the distinct ones).

The product of its digits is 2592, while the sum is 23.

The square root of 423231332 is about 20572.5869058804. The cubic root of 423231332 is about 750.8028924745.

Adding to 423231332 its reverse (233132324), we get a palindrome (656363656).

The spelling of 423231332 in words is "four hundred twenty-three million, two hundred thirty-one thousand, three hundred thirty-two".