11230320123 has 18 divisors (see below), whose sum is σ = 17830326332. Its totient is φ = 6806253960.

The previous prime is 11230320109. The next prime is 11230320169. The reversal of 11230320123 is 32102303211.

It is not a de Polignac number, because 11230320123 - 2¹⁰ = 11230319099 is a prime.

It is a super-2 number, since 2×11230320123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11230320096 and 11230320105.

It is not an unprimeable number, because it can be changed into a prime (11230330123) 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 17 ways as a sum of consecutive naturals, for example, 5155165 + ... + 5157342.

Almost surely, 2^11230320123 is an apocalyptic number.

11230320123 is a deficient number, since it is larger than the sum of its proper divisors (6600006209).

11230320123 is a wasteful number, since it uses less digits than its factorization.

11230320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312535 (or 10312521 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11230320123 its reverse (32102303211), we get a palindrome (43332623334).

The spelling of 11230320123 in words is "eleven billion, two hundred thirty million, three hundred twenty thousand, one hundred twenty-three".