11113333123 has 4 divisors (see below), whose sum is σ = 11117681920. Its totient is φ = 11108984328.

The previous prime is 11113333103. The next prime is 11113333151. The reversal of 11113333123 is 32133331111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11113333123 is a prime.

It is a super-3 number, since 3×11113333123³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11113333094 and 11113333103.

It is not an unprimeable number, because it can be changed into a prime (11113333103) 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, 2170563 + ... + 2175676.

It is an arithmetic number, because the mean of its divisors is an integer number (2779420480).

Almost surely, 2^11113333123 is an apocalyptic number.

11113333123 is a deficient number, since it is larger than the sum of its proper divisors (4348797).

11113333123 is an equidigital number, since it uses as much as digits as its factorization.

11113333123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348796.

The product of its digits is 486, while the sum is 22.

Adding to 11113333123 its reverse (32133331111), we get a palindrome (43246664234).

The spelling of 11113333123 in words is "eleven billion, one hundred thirteen million, three hundred thirty-three thousand, one hundred twenty-three".