1113243233 has 2 divisors, whose sum is σ = 1113243234. Its totient is φ = 1113243232.

The previous prime is 1113243223. The next prime is 1113243251. The reversal of 1113243233 is 3323423111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 857786944 + 255456289 = 29288^2 + 15983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113243233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113243199 and 1113243208.

It is not a weakly prime, because it can be changed into another prime (1113243223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556621616 + 556621617.

It is an arithmetic number, because the mean of its divisors is an integer number (556621617).

Almost surely, 2^1113243233 is an apocalyptic number.

It is an amenable number.

1113243233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113243233 is an equidigital number, since it uses as much as digits as its factorization.

1113243233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 1113243233 is about 33365.2998338094. The cubic root of 1113243233 is about 1036.4062451873.

Adding to 1113243233 its reverse (3323423111), we get a palindrome (4436666344).

The spelling of 1113243233 in words is "one billion, one hundred thirteen million, two hundred forty-three thousand, two hundred thirty-three".