1123384439 has 2 divisors, whose sum is σ = 1123384440. Its totient is φ = 1123384438.

The previous prime is 1123384403. The next prime is 1123384441. The reversal of 1123384439 is 9344833211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123384439 - 2¹² = 1123380343 is a prime.

Together with 1123384441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123384039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561692219 + 561692220.

It is an arithmetic number, because the mean of its divisors is an integer number (561692220).

Almost surely, 2^1123384439 is an apocalyptic number.

1123384439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123384439 is an equidigital number, since it uses as much as digits as its factorization.

1123384439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 1123384439 is about 33516.9276485778. The cubic root of 1123384439 is about 1039.5438208286.

The spelling of 1123384439 in words is "one billion, one hundred twenty-three million, three hundred eighty-four thousand, four hundred thirty-nine".