1122323123 has 4 divisors (see below), whose sum is σ = 1133219568. Its totient is φ = 1111426680.

The previous prime is 1122323117. The next prime is 1122323129. The reversal of 1122323123 is 3213232211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3213232211 = 7 ⋅459033173.

It is an interprime number because it is at equal distance from previous prime (1122323117) and next prime (1122323129).

It is a cyclic number.

It is not a de Polignac number, because 1122323123 - 2⁸ = 1122322867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122323095 and 1122323104.

It is not an unprimeable number, because it can be changed into a prime (1122323129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5448068 + ... + 5448273.

It is an arithmetic number, because the mean of its divisors is an integer number (283304892).

Almost surely, 2^1122323123 is an apocalyptic number.

1122323123 is a deficient number, since it is larger than the sum of its proper divisors (10896445).

1122323123 is a wasteful number, since it uses less digits than its factorization.

1122323123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10896444.

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

The square root of 1122323123 is about 33501.0913702823. The cubic root of 1122323123 is about 1039.2163484526.

Adding to 1122323123 its reverse (3213232211), we get a palindrome (4335555334).

The spelling of 1122323123 in words is "one billion, one hundred twenty-two million, three hundred twenty-three thousand, one hundred twenty-three".