323432512 has 56 divisors (see below), whose sum is σ = 696087000. Its totient is φ = 148217856.

The previous prime is 323432507. The next prime is 323432519. The reversal of 323432512 is 215234323.

It can be written as a sum of positive squares in 4 ways, for example, as 295936 + 323136576 = 544^2 + 17976^2 .

It is not an unprimeable number, because it can be changed into a prime (323432519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122664 + ... + 125272.

It is an arithmetic number, because the mean of its divisors is an integer number (12430125).

Almost surely, 2^323432512 is an apocalyptic number.

323432512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323432512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348043500).

323432512 is an abundant number, since it is smaller than the sum of its proper divisors (372654488).

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

323432512 is a wasteful number, since it uses less digits than its factorization.

323432512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783 (or 2773 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 323432512 is about 17984.2295359017. The cubic root of 323432512 is about 686.4273163766.

Adding to 323432512 its reverse (215234323), we get a palindrome (538666835).

The spelling of 323432512 in words is "three hundred twenty-three million, four hundred thirty-two thousand, five hundred twelve".