1323130344 has 64 divisors (see below), whose sum is σ = 3432775680. Its totient is φ = 424536000.

The previous prime is 1323130327. The next prime is 1323130357. The reversal of 1323130344 is 4430313231.

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 137449 + ... + 146759.

It is an arithmetic number, because the mean of its divisors is an integer number (53637120).

Almost surely, 2^1323130344 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 1323130344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1716387840).

1323130344 is an abundant number, since it is smaller than the sum of its proper divisors (2109645336).

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

1323130344 is a wasteful number, since it uses less digits than its factorization.

1323130344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9542 (or 9538 counting only the distinct ones).

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

The square root of 1323130344 is about 36374.8586801379. The cubic root of 1323130344 is about 1097.8277638671.

Adding to 1323130344 its reverse (4430313231), we get a palindrome (5753443575).

The spelling of 1323130344 in words is "one billion, three hundred twenty-three million, one hundred thirty thousand, three hundred forty-four".