1323013233 has 4 divisors (see below), whose sum is σ = 1764017648. Its totient is φ = 882008820.

The previous prime is 1323013177. The next prime is 1323013249. The reversal of 1323013233 is 3323103231.

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 not a de Polignac number, because 1323013233 - 2⁶ = 1323013169 is a prime.

It is a super-2 number, since 2×1323013233² = 3500728029386224578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323013733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220502203 + ... + 220502208.

It is an arithmetic number, because the mean of its divisors is an integer number (441004412).

Almost surely, 2^1323013233 is an apocalyptic number.

It is an amenable number.

1323013233 is a deficient number, since it is larger than the sum of its proper divisors (441004415).

1323013233 is an equidigital number, since it uses as much as digits as its factorization.

1323013233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441004414.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1323013233 is about 36373.2488650657. The cubic root of 1323013233 is about 1097.7953731302.

Adding to 1323013233 its reverse (3323103231), we get a palindrome (4646116464).

The spelling of 1323013233 in words is "one billion, three hundred twenty-three million, thirteen thousand, two hundred thirty-three".