1323403345 has 16 divisors (see below), whose sum is σ = 1736720640. Its totient is φ = 960105600.

The previous prime is 1323403331. The next prime is 1323403351. The reversal of 1323403345 is 5433043231.

It is not a de Polignac number, because 1323403345 - 2¹⁷ = 1323272273 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6921 + ... + 51910.

It is an arithmetic number, because the mean of its divisors is an integer number (108545040).

Almost surely, 2^1323403345 is an apocalyptic number.

It is an amenable number.

1323403345 is a deficient number, since it is larger than the sum of its proper divisors (413317295).

1323403345 is a wasteful number, since it uses less digits than its factorization.

1323403345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59256.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 1323403345 is about 36378.6110922339. The cubic root of 1323403345 is about 1097.9032634751.

Adding to 1323403345 its reverse (5433043231), we get a palindrome (6756446576).

The spelling of 1323403345 in words is "one billion, three hundred twenty-three million, four hundred three thousand, three hundred forty-five".