323405316 has 36 divisors (see below), whose sum is σ = 880382412. Its totient is φ = 99509184.

The previous prime is 323405309. The next prime is 323405413. The reversal of 323405316 is 613504323.

It is a happy number.

323405316 is a `hidden beast` number, since 3 + 2 + 340 + 5 + 316 = 666.

323405316 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57062916 + 266342400 = 7554^2 + 16320^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 323405316.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345051 + ... + 345986.

It is an arithmetic number, because the mean of its divisors is an integer number (24455067).

Almost surely, 2^323405316 is an apocalyptic number.

323405316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

323405316 is an abundant number, since it is smaller than the sum of its proper divisors (556977096).

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

323405316 is a wasteful number, since it uses less digits than its factorization.

323405316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691060 (or 691055 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 323405316 is about 17983.4734131090. The cubic root of 323405316 is about 686.4080762983.

Adding to 323405316 its reverse (613504323), we get a palindrome (936909639).

The spelling of 323405316 in words is "three hundred twenty-three million, four hundred five thousand, three hundred sixteen".