1123316393 has 2 divisors, whose sum is σ = 1123316394. Its totient is φ = 1123316392.

The previous prime is 1123316351. The next prime is 1123316419. The reversal of 1123316393 is 3936133211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 984265129 + 139051264 = 31373^2 + 11792^2 .

It is an emirp because it is prime and its reverse (3936133211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1123316393 - 2⁸ = 1123316137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123316303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561658196 + 561658197.

It is an arithmetic number, because the mean of its divisors is an integer number (561658197).

Almost surely, 2^1123316393 is an apocalyptic number.

It is an amenable number.

1123316393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123316393 is an equidigital number, since it uses as much as digits as its factorization.

1123316393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 32.

The square root of 1123316393 is about 33515.9125341978. The cubic root of 1123316393 is about 1039.5228312117.

The spelling of 1123316393 in words is "one billion, one hundred twenty-three million, three hundred sixteen thousand, three hundred ninety-three".