1323220213 has 8 divisors (see below), whose sum is σ = 1561034240. Its totient is φ = 1097601840.

The previous prime is 1323220181. The next prime is 1323220237. The reversal of 1323220213 is 3120223231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323220213 - 2⁵ = 1323220181 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 (1323220253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3048678 + ... + 3049111.

It is an arithmetic number, because the mean of its divisors is an integer number (195129280).

Almost surely, 2^1323220213 is an apocalyptic number.

It is an amenable number.

1323220213 is a deficient number, since it is larger than the sum of its proper divisors (237814027).

1323220213 is an equidigital number, since it uses as much as digits as its factorization.

1323220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6097827.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1323220213 is about 36376.0939766765. The cubic root of 1323220213 is about 1097.8526186745.

Adding to 1323220213 its reverse (3120223231), we get a palindrome (4443443444).

The spelling of 1323220213 in words is "one billion, three hundred twenty-three million, two hundred twenty thousand, two hundred thirteen".