423321332 has 12 divisors (see below), whose sum is σ = 846642720. Its totient is φ = 181423416.

The previous prime is 423321319. The next prime is 423321347. The reversal of 423321332 is 233123324.

423321332 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 423321298 and 423321307.

It is a congruent number.

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, 7559282 + ... + 7559337.

It is an arithmetic number, because the mean of its divisors is an integer number (70553560).

Almost surely, 2^423321332 is an apocalyptic number.

It is an amenable number.

423321332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

423321332 is a wasteful number, since it uses less digits than its factorization.

423321332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15118630 (or 15118628 counting only the distinct ones).

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

The square root of 423321332 is about 20574.7741664398. The cubic root of 423321332 is about 750.8561080299.

Adding to 423321332 its reverse (233123324), we get a palindrome (656444656).

The spelling of 423321332 in words is "four hundred twenty-three million, three hundred twenty-one thousand, three hundred thirty-two".