323135328 has 48 divisors (see below), whose sum is σ = 852719616. Its totient is φ = 107141760.

The previous prime is 323135321. The next prime is 323135333. The reversal of 323135328 is 823531323.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 323135295 and 323135304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323135321) 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, 9525 + ... + 27147.

It is an arithmetic number, because the mean of its divisors is an integer number (17764992).

Almost surely, 2^323135328 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 323135328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426359808).

323135328 is an abundant number, since it is smaller than the sum of its proper divisors (529584288).

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

323135328 is a wasteful number, since it uses less digits than its factorization.

323135328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17827 (or 17819 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 323135328 is about 17975.9652870159. The cubic root of 323135328 is about 686.2170120938.

The spelling of 323135328 in words is "three hundred twenty-three million, one hundred thirty-five thousand, three hundred twenty-eight".