1223321323 has 4 divisors (see below), whose sum is σ = 1398081520. Its totient is φ = 1048561128.

The previous prime is 1223321317. The next prime is 1223321353. The reversal of 1223321323 is 3231233221.

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

It is a cyclic number.

It is not a de Polignac number, because 1223321323 - 2⁵ = 1223321291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223321294 and 1223321303.

It is not an unprimeable number, because it can be changed into a prime (1223321303) 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, 87380088 + ... + 87380101.

It is an arithmetic number, because the mean of its divisors is an integer number (349520380).

Almost surely, 2^1223321323 is an apocalyptic number.

1223321323 is a deficient number, since it is larger than the sum of its proper divisors (174760197).

1223321323 is an equidigital number, since it uses as much as digits as its factorization.

1223321323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174760196.

The product of its digits is 1296, while the sum is 22.

The square root of 1223321323 is about 34976.0106787495. The cubic root of 1223321323 is about 1069.4985052030.

Adding to 1223321323 its reverse (3231233221), we get a palindrome (4454554544).

The spelling of 1223321323 in words is "one billion, two hundred twenty-three million, three hundred twenty-one thousand, three hundred twenty-three".