1323244213 has 4 divisors (see below), whose sum is σ = 1323665728. Its totient is φ = 1322822700.

The previous prime is 1323244177. The next prime is 1323244259. The reversal of 1323244213 is 3124423231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1323244213 - 2²⁵ = 1289689781 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 (1323224213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206013 + ... + 212338.

It is an arithmetic number, because the mean of its divisors is an integer number (330916432).

Almost surely, 2^1323244213 is an apocalyptic number.

It is an amenable number.

1323244213 is a deficient number, since it is larger than the sum of its proper divisors (421515).

1323244213 is an equidigital number, since it uses as much as digits as its factorization.

1323244213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421514.

The product of its digits is 3456, while the sum is 25.

The square root of 1323244213 is about 36376.4238621666. The cubic root of 1323244213 is about 1097.8592560942.

Adding to 1323244213 its reverse (3124423231), we get a palindrome (4447667444).

The spelling of 1323244213 in words is "one billion, three hundred twenty-three million, two hundred forty-four thousand, two hundred thirteen".