423441232 has 20 divisors (see below), whose sum is σ = 820751040. Its totient is φ = 211634528.

The previous prime is 423441229. The next prime is 423441233. The reversal of 423441232 is 232144324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 423441197 and 423441206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423441233) 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, 57369 + ... + 64327.

It is an arithmetic number, because the mean of its divisors is an integer number (41037552).

Almost surely, 2^423441232 is an apocalyptic number.

It is an amenable number.

423441232 is a deficient number, since it is larger than the sum of its proper divisors (397309808).

423441232 is a wasteful number, since it uses less digits than its factorization.

423441232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10770 (or 10764 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 423441232 is about 20577.6877223851. The cubic root of 423441232 is about 750.9269912590.

Adding to 423441232 its reverse (232144324), we get a palindrome (655585556).

The spelling of 423441232 in words is "four hundred twenty-three million, four hundred forty-one thousand, two hundred thirty-two".