11112321231123 has 16 divisors (see below), whose sum is σ = 16944402606336. Its totient is φ = 6345644715360.

The previous prime is 11112321231113. The next prime is 11112321231161. The reversal of 11112321231123 is 32113212321111.

11112321231123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11112321231123 - 2⁵ = 11112321231091 is a prime.

It is a super-2 number, since 2×11112321231123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11112321231093 and 11112321231102.

It is not an unprimeable number, because it can be changed into a prime (11112321231113) 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, 177181693 + ... + 177244398.

It is an arithmetic number, because the mean of its divisors is an integer number (1059025162896).

Almost surely, 2^{11112321231123} is an apocalyptic number.

11112321231123 is a deficient number, since it is larger than the sum of its proper divisors (5832081375213).

11112321231123 is a wasteful number, since it uses less digits than its factorization.

11112321231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354427594.

The product of its digits is 432, while the sum is 24.

Adding to 11112321231123 its reverse (32113212321111), we get a palindrome (43225533552234).

The spelling of 11112321231123 in words is "eleven trillion, one hundred twelve billion, three hundred twenty-one million, two hundred thirty-one thousand, one hundred twenty-three".