1323003300 has 72 divisors (see below), whose sum is σ = 3835025376. Its totient is φ = 352143360.

The previous prime is 1323003281. The next prime is 1323003349. The reversal of 1323003300 is 33003231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 1323003300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169279 + ... + 176921.

Almost surely, 2^1323003300 is an apocalyptic number.

1323003300 is a gapful number since it is divisible by the number (10) 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 1323003300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1917512688).

1323003300 is an abundant number, since it is smaller than the sum of its proper divisors (2512022076).

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

1323003300 is a wasteful number, since it uses less digits than its factorization.

1323003300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8237 (or 8230 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 1323003300 is about 36373.1123221536. The cubic root of 1323003300 is about 1097.7926257581.

Adding to 1323003300 its reverse (33003231), we get a palindrome (1356006531).

The spelling of 1323003300 in words is "one billion, three hundred twenty-three million, three thousand, three hundred".