1123322311 has 16 divisors (see below), whose sum is σ = 1219821120. Its totient is φ = 1030543360.

The previous prime is 1123322309. The next prime is 1123322341. The reversal of 1123322311 is 1132233211.

It is a cyclic number.

It is not a de Polignac number, because 1123322311 - 2¹ = 1123322309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123322341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102195 + ... + 112651.

It is an arithmetic number, because the mean of its divisors is an integer number (76238820).

Almost surely, 2^1123322311 is an apocalyptic number.

1123322311 is a deficient number, since it is larger than the sum of its proper divisors (96498809).

1123322311 is a wasteful number, since it uses less digits than its factorization.

1123322311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10634.

The product of its digits is 216, while the sum is 19.

The square root of 1123322311 is about 33516.0008205036. Note that the first 3 decimals coincide. The cubic root of 1123322311 is about 1039.5246567245.

Adding to 1123322311 its reverse (1132233211), we get a palindrome (2255555522).

The spelling of 1123322311 in words is "one billion, one hundred twenty-three million, three hundred twenty-two thousand, three hundred eleven".