1123322123 has 32 divisors (see below), whose sum is σ = 1477632000. Its totient is φ = 827327520.

The previous prime is 1123322111. The next prime is 1123322147. The reversal of 1123322123 is 3212233211.

It is a cyclic number.

It is not a de Polignac number, because 1123322123 - 2¹⁰ = 1123321099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123322095 and 1123322104.

It is not an unprimeable number, because it can be changed into a prime (1123322423) 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 in 31 ways as a sum of consecutive naturals, for example, 1080638 + ... + 1081676.

It is an arithmetic number, because the mean of its divisors is an integer number (46176000).

Almost surely, 2^1123322123 is an apocalyptic number.

1123322123 is a deficient number, since it is larger than the sum of its proper divisors (354309877).

1123322123 is a wasteful number, since it uses less digits than its factorization.

1123322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815.

The product of its digits is 432, while the sum is 20.

The square root of 1123322123 is about 33515.9980158730. The cubic root of 1123322123 is about 1039.5245987326.

Adding to 1123322123 its reverse (3212233211), we get a palindrome (4335555334).

The spelling of 1123322123 in words is "one billion, one hundred twenty-three million, three hundred twenty-two thousand, one hundred twenty-three".