323316540 has 288 divisors, whose sum is σ = 1122750720. Its totient is φ = 74815488.

The previous prime is 323316503. The next prime is 323316551. The reversal of 323316540 is 45613323.

It is a happy number.

323316540 is a `hidden beast` number, since 3 + 2 + 3 + 3 + 1 + 654 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3895339 + ... + 3895421.

It is an arithmetic number, because the mean of its divisors is an integer number (3898440).

Almost surely, 2^323316540 is an apocalyptic number.

323316540 is a gapful number since it is divisible by the number (30) 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 323316540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561375360).

323316540 is an abundant number, since it is smaller than the sum of its proper divisors (799434180).

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

323316540 is a wasteful number, since it uses less digits than its factorization.

323316540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 196 counting only the distinct ones).

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

The square root of 323316540 is about 17981.0049774755. The cubic root of 323316540 is about 686.3452633337.

Adding to 323316540 its reverse (45613323), we get a palindrome (368929863).

The spelling of 323316540 in words is "three hundred twenty-three million, three hundred sixteen thousand, five hundred forty".