1323203302213 has 4 divisors (see below), whose sum is σ = 1424988171628. Its totient is φ = 1221418432800.

The previous prime is 1323203302151. The next prime is 1323203302261. The reversal of 1323203302213 is 3122033023231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 678262603489 + 644940698724 = 823567^2 + 803082^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323203302213 - 2¹⁷ = 1323203171141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323203302513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50892434688 + ... + 50892434713.

It is an arithmetic number, because the mean of its divisors is an integer number (356247042907).

Almost surely, 2^{1323203302213} is an apocalyptic number.

1323203302213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1323203302213 is a deficient number, since it is larger than the sum of its proper divisors (101784869415).

1323203302213 is a wasteful number, since it uses less digits than its factorization.

1323203302213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101784869414.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1323203302213 its reverse (3122033023231), we get a palindrome (4445236325444).

The spelling of 1323203302213 in words is "one trillion, three hundred twenty-three billion, two hundred three million, three hundred two thousand, two hundred thirteen".