323132320 has 96 divisors (see below), whose sum is σ = 876572928. Its totient is φ = 110266368.

The previous prime is 323132309. The next prime is 323132333. The reversal of 323132320 is 23231323.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294012 + ... + 295108.

It is an arithmetic number, because the mean of its divisors is an integer number (9130968).

Almost surely, 2^323132320 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 323132320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438286464).

323132320 is an abundant number, since it is smaller than the sum of its proper divisors (553440608).

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

323132320 is a wasteful number, since it uses less digits than its factorization.

323132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 323132320 is about 17975.8816195479. The cubic root of 323132320 is about 686.2148828030.

Adding to 323132320 its reverse (23231323), we get a palindrome (346363643).

The spelling of 323132320 in words is "three hundred twenty-three million, one hundred thirty-two thousand, three hundred twenty".