1323112302 has 48 divisors (see below), whose sum is σ = 2966371200. Its totient is φ = 425779200.

The previous prime is 1323112249. The next prime is 1323112309. The reversal of 1323112302 is 2032113231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323112309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247902 + ... + 253182.

It is an arithmetic number, because the mean of its divisors is an integer number (61799400).

Almost surely, 2^1323112302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323112302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1483185600).

1323112302 is an abundant number, since it is smaller than the sum of its proper divisors (1643258898).

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

1323112302 is a wasteful number, since it uses less digits than its factorization.

1323112302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769 (or 5766 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1323112302 is about 36374.6106783289. The cubic root of 1323112302 is about 1097.8227739081.

Adding to 1323112302 its reverse (2032113231), we get a palindrome (3355225533).

The spelling of 1323112302 in words is "one billion, three hundred twenty-three million, one hundred twelve thousand, three hundred two".