1323243312 has 20 divisors (see below), whose sum is σ = 3418378680. Its totient is φ = 441081088.

The previous prime is 1323243301. The next prime is 1323243329. The reversal of 1323243312 is 2133423231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

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 3 ways as a sum of consecutive naturals, for example, 13783737 + ... + 13783832.

It is an arithmetic number, because the mean of its divisors is an integer number (170918934).

Almost surely, 2^1323243312 is an apocalyptic number.

1323243312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323243312 is an abundant number, since it is smaller than the sum of its proper divisors (2095135368).

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

1323243312 is a wasteful number, since it uses less digits than its factorization.

1323243312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27567580 (or 27567574 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 1323243312 is about 36376.4114777695. The cubic root of 1323243312 is about 1097.8590069158.

Adding to 1323243312 its reverse (2133423231), we get a palindrome (3456666543).

The spelling of 1323243312 in words is "one billion, three hundred twenty-three million, two hundred forty-three thousand, three hundred twelve".