323396536320 has 1152 divisors, whose sum is σ = 1344527009280. Its totient is φ = 70849658880.

The previous prime is 323396536273. The next prime is 323396536357. The reversal of 323396536320 is 23635693323.

323396536320 is a `hidden beast` number, since 3 + 2 + 3 + 3 + 9 + 6 + 5 + 3 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 698480409 + ... + 698480871.

It is an arithmetic number, because the mean of its divisors is an integer number (1167124140).

Almost surely, 2^323396536320 is an apocalyptic number.

323396536320 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 323396536320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672263504640).

323396536320 is an abundant number, since it is smaller than the sum of its proper divisors (1021130472960).

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

323396536320 is a wasteful number, since it uses less digits than its factorization.

323396536320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 45.

The spelling of 323396536320 in words is "three hundred twenty-three billion, three hundred ninety-six million, five hundred thirty-six thousand, three hundred twenty".