1118456233 has 2 divisors, whose sum is σ = 1118456234. Its totient is φ = 1118456232.

The previous prime is 1118456173. The next prime is 1118456237. The reversal of 1118456233 is 3326548111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1095146649 + 23309584 = 33093^2 + 4828^2 .

It is an emirp because it is prime and its reverse (3326548111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1118456233 - 2¹³ = 1118448041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1118456237) 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 as a sum of consecutive naturals, namely, 559228116 + 559228117.

It is an arithmetic number, because the mean of its divisors is an integer number (559228117).

Almost surely, 2^1118456233 is an apocalyptic number.

It is an amenable number.

1118456233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118456233 is an equidigital number, since it uses as much as digits as its factorization.

1118456233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 1118456233 is about 33443.3286770321. The cubic root of 1118456233 is about 1038.0214580576.

The spelling of 1118456233 in words is "one billion, one hundred eighteen million, four hundred fifty-six thousand, two hundred thirty-three".