1123030219 has 2 divisors, whose sum is σ = 1123030220. Its totient is φ = 1123030218.

The previous prime is 1123030201. The next prime is 1123030229. The reversal of 1123030219 is 9120303211.

It is a strong prime.

It is an emirp because it is prime and its reverse (9120303211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1123030219 - 2⁵ = 1123030187 is a prime.

It is a super-2 number, since 2×1123030219² = 2522393745574375922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123030219.

It is not a weakly prime, because it can be changed into another prime (1123030229) 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, 561515109 + 561515110.

It is an arithmetic number, because the mean of its divisors is an integer number (561515110).

Almost surely, 2^1123030219 is an apocalyptic number.

1123030219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123030219 is an equidigital number, since it uses as much as digits as its factorization.

1123030219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1123030219 is about 33511.6430364135. The cubic root of 1123030219 is about 1039.4345480784.

The spelling of 1123030219 in words is "one billion, one hundred twenty-three million, thirty thousand, two hundred nineteen".