323383885812 has 576 divisors, whose sum is σ = 981218574336. Its totient is φ = 92412472320.

The previous prime is 323383885801. The next prime is 323383885829. The reversal of 323383885812 is 218588383323.

It is a happy number.

323383885812 is a `hidden beast` number, since 3 + 23 + 3 + 8 + 38 + 8 + 581 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1229596393 + ... + 1229596655.

Almost surely, 2^323383885812 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 323383885812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490609287168).

323383885812 is an abundant number, since it is smaller than the sum of its proper divisors (657834688524).

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

323383885812 is a wasteful number, since it uses less digits than its factorization.

323383885812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 428 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The spelling of 323383885812 in words is "three hundred twenty-three billion, three hundred eighty-three million, eight hundred eighty-five thousand, eight hundred twelve".