1323403302205 has 16 divisors (see below), whose sum is σ = 1591353748800. Its totient is φ = 1056543850368.

The previous prime is 1323403302197. The next prime is 1323403302209. The reversal of 1323403302205 is 5022033043231.

It is a cyclic number.

It is not a de Polignac number, because 1323403302205 - 2³ = 1323403302197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323403302209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10190521 + ... + 10319569.

It is an arithmetic number, because the mean of its divisors is an integer number (99459609300).

Almost surely, 2^{1323403302205} is an apocalyptic number.

It is an amenable number.

1323403302205 is a deficient number, since it is larger than the sum of its proper divisors (267950446595).

1323403302205 is a wasteful number, since it uses less digits than its factorization.

1323403302205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133260.

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

Adding to 1323403302205 its reverse (5022033043231), we get a palindrome (6345436345436).

The spelling of 1323403302205 in words is "one trillion, three hundred twenty-three billion, four hundred three million, three hundred two thousand, two hundred five".