1323321323 has 4 divisors (see below), whose sum is σ = 1335688920. Its totient is φ = 1310953728.

The previous prime is 1323321313. The next prime is 1323321341. The reversal of 1323321323 is 3231233231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3231233231 = 17 ⋅190072543.

It is not a de Polignac number, because 1323321323 - 2⁸ = 1323321067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323321313) 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, 6183638 + ... + 6183851.

It is an arithmetic number, because the mean of its divisors is an integer number (333922230).

Almost surely, 2^1323321323 is an apocalyptic number.

1323321323 is a deficient number, since it is larger than the sum of its proper divisors (12367597).

1323321323 is a wasteful number, since it uses less digits than its factorization.

1323321323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12367596.

The product of its digits is 1944, while the sum is 23.

The square root of 1323321323 is about 36377.4837365093. The cubic root of 1323321323 is about 1097.8805810272.

Adding to 1323321323 its reverse (3231233231), we get a palindrome (4554554554).

The spelling of 1323321323 in words is "one billion, three hundred twenty-three million, three hundred twenty-one thousand, three hundred twenty-three".