1223030113 has 4 divisors (see below), whose sum is σ = 1224848068. Its totient is φ = 1221212160.

The previous prime is 1223030111. The next prime is 1223030117. The reversal of 1223030113 is 3110303221.

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 438357969 + 784672144 = 20937^2 + 28012^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223030113 - 2¹ = 1223030111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223030111) 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, 907968 + ... + 909313.

It is an arithmetic number, because the mean of its divisors is an integer number (306212017).

Almost surely, 2^1223030113 is an apocalyptic number.

It is an amenable number.

1223030113 is a deficient number, since it is larger than the sum of its proper divisors (1817955).

1223030113 is an equidigital number, since it uses as much as digits as its factorization.

1223030113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817954.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1223030113 is about 34971.8474347581. The cubic root of 1223030113 is about 1069.4136342400.

Adding to 1223030113 its reverse (3110303221), we get a palindrome (4333333334).

The spelling of 1223030113 in words is "one billion, two hundred twenty-three million, thirty thousand, one hundred thirteen".