423332032 has 42 divisors (see below), whose sum is σ = 868148124. Its totient is φ = 204808320.

The previous prime is 423331999. The next prime is 423332051. The reversal of 423332032 is 230233324.

It is a junction number, because it is equal to n+sod(n) for n = 423331994 and 423332012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58063 + ... + 64945.

Almost surely, 2^423332032 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 423332032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434074062).

423332032 is an abundant number, since it is smaller than the sum of its proper divisors (444816092).

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

423332032 is an equidigital number, since it uses as much as digits as its factorization.

423332032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6957 (or 6916 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 423332032 is about 20575.0341919521. The cubic root of 423332032 is about 750.8624342664.

Adding to 423332032 its reverse (230233324), we get a palindrome (653565356).

The spelling of 423332032 in words is "four hundred twenty-three million, three hundred thirty-two thousand, thirty-two".