11320310123 has 4 divisors (see below), whose sum is σ = 11321030760. Its totient is φ = 11319589488.

The previous prime is 11320310119. The next prime is 11320310129. The reversal of 11320310123 is 32101302311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11320310123 - 2² = 11320310119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11320310129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336218 + ... + 368351.

It is an arithmetic number, because the mean of its divisors is an integer number (2830257690).

Almost surely, 2^11320310123 is an apocalyptic number.

11320310123 is a deficient number, since it is larger than the sum of its proper divisors (720637).

11320310123 is an equidigital number, since it uses as much as digits as its factorization.

11320310123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720636.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11320310123 its reverse (32101302311), we get a palindrome (43421612434).

The spelling of 11320310123 in words is "eleven billion, three hundred twenty million, three hundred ten thousand, one hundred twenty-three".