1223303113 has 2 divisors, whose sum is σ = 1223303114. Its totient is φ = 1223303112.

The previous prime is 1223303099. The next prime is 1223303129. The reversal of 1223303113 is 3113033221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1219965184 + 3337929 = 34928^2 + 1827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223303113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223303713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611651556 + 611651557.

It is an arithmetic number, because the mean of its divisors is an integer number (611651557).

Almost surely, 2^1223303113 is an apocalyptic number.

It is an amenable number.

1223303113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223303113 is an equidigital number, since it uses as much as digits as its factorization.

1223303113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1223303113 is about 34975.7503564970. The cubic root of 1223303113 is about 1069.4931984303.

Adding to 1223303113 its reverse (3113033221), we get a palindrome (4336336334).

The spelling of 1223303113 in words is "one billion, two hundred twenty-three million, three hundred three thousand, one hundred thirteen".