1223333113 has 4 divisors (see below), whose sum is σ = 1253170548. Its totient is φ = 1193495680.

The previous prime is 1223333063. The next prime is 1223333123. The reversal of 1223333113 is 3113333221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 91145209 + 1132187904 = 9547^2 + 33648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223333113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223333123) 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, 14918656 + ... + 14918737.

It is an arithmetic number, because the mean of its divisors is an integer number (313292637).

Almost surely, 2^1223333113 is an apocalyptic number.

It is an amenable number.

1223333113 is a deficient number, since it is larger than the sum of its proper divisors (29837435).

1223333113 is an equidigital number, since it uses as much as digits as its factorization.

1223333113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29837434.

The product of its digits is 972, while the sum is 22.

The square root of 1223333113 is about 34976.1792224365. The cubic root of 1223333113 is about 1069.5019410260.

Adding to 1223333113 its reverse (3113333221), we get a palindrome (4336666334).

The spelling of 1223333113 in words is "one billion, two hundred twenty-three million, three hundred thirty-three thousand, one hundred thirteen".