1323442330 has 64 divisors (see below), whose sum is σ = 2787602688. Its totient is φ = 442990080.

The previous prime is 1323442301. The next prime is 1323442339. The reversal of 1323442330 is 332443231.

It is a junction number, because it is equal to n+sod(n) for n = 1323442295 and 1323442304.

It is not an unprimeable number, because it can be changed into a prime (1323442339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 863665 + ... + 865195.

It is an arithmetic number, because the mean of its divisors is an integer number (43556292).

Almost surely, 2^1323442330 is an apocalyptic number.

1323442330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323442330 is an abundant number, since it is smaller than the sum of its proper divisors (1464160358).

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

1323442330 is a wasteful number, since it uses less digits than its factorization.

1323442330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 1323442330 is about 36379.1469113832. The cubic root of 1323442330 is about 1097.9140440983.

Adding to 1323442330 its reverse (332443231), we get a palindrome (1655885561).

Subtracting from 1323442330 its reverse (332443231), we obtain a palindrome (990999099).

The spelling of 1323442330 in words is "one billion, three hundred twenty-three million, four hundred forty-two thousand, three hundred thirty".