1123934239 has 2 divisors, whose sum is σ = 1123934240. Its totient is φ = 1123934238.

The previous prime is 1123934219. The next prime is 1123934293. The reversal of 1123934239 is 9324393211.

Together with next prime (1123934293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123934239 - 2⁷ = 1123934111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123934198 and 1123934207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123934219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561967119 + 561967120.

It is an arithmetic number, because the mean of its divisors is an integer number (561967120).

Almost surely, 2^1123934239 is an apocalyptic number.

1123934239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123934239 is an equidigital number, since it uses as much as digits as its factorization.

1123934239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The square root of 1123934239 is about 33525.1284710439. The cubic root of 1123934239 is about 1039.7133822474.

The spelling of 1123934239 in words is "one billion, one hundred twenty-three million, nine hundred thirty-four thousand, two hundred thirty-nine".