1223320113 has 12 divisors (see below), whose sum is σ = 1843845120. Its totient is φ = 780088056.

The previous prime is 1223320093. The next prime is 1223320127. The reversal of 1223320113 is 3110233221.

It is not a de Polignac number, because 1223320113 - 2⁵ = 1223320081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223320013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2954673 + ... + 2955086.

It is an arithmetic number, because the mean of its divisors is an integer number (153653760).

Almost surely, 2^1223320113 is an apocalyptic number.

It is an amenable number.

1223320113 is a deficient number, since it is larger than the sum of its proper divisors (620525007).

1223320113 is a wasteful number, since it uses less digits than its factorization.

1223320113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909788 (or 5909785 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1223320113 is about 34975.9933811750. The cubic root of 1223320113 is about 1069.4981525854.

Adding to 1223320113 its reverse (3110233221), we get a palindrome (4333553334).

The spelling of 1223320113 in words is "one billion, two hundred twenty-three million, three hundred twenty thousand, one hundred thirteen".