1223313323 has 4 divisors (see below), whose sum is σ = 1229651928. Its totient is φ = 1216974720.

The previous prime is 1223313317. The next prime is 1223313367. The reversal of 1223313323 is 3233133221.

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 1223313323 - 2¹⁴ = 1223296939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223313823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3169013 + ... + 3169398.

It is an arithmetic number, because the mean of its divisors is an integer number (307412982).

Almost surely, 2^1223313323 is an apocalyptic number.

1223313323 is a deficient number, since it is larger than the sum of its proper divisors (6338605).

1223313323 is an equidigital number, since it uses as much as digits as its factorization.

1223313323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6338604.

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

The square root of 1223313323 is about 34975.8963144620. The cubic root of 1223313323 is about 1069.4961738431.

Adding to 1223313323 its reverse (3233133221), we get a palindrome (4456446544).

The spelling of 1223313323 in words is "one billion, two hundred twenty-three million, three hundred thirteen thousand, three hundred twenty-three".