11112123 has 16 divisors (see below), whose sum is σ = 16361856. Its totient is φ = 6651840.

The previous prime is 11112113. The next prime is 11112137. The reversal of 11112123 is 32121111.

It is not a de Polignac number, because 11112123 - 2⁵ = 11112091 is a prime.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 11112099 and 11112108.

It is not an unprimeable number, because it can be changed into a prime (11112113) 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, 711 + ... + 4767.

It is an arithmetic number, because the mean of its divisors is an integer number (1022616).

Almost surely, 2^11112123 is an apocalyptic number.

11112123 is a deficient number, since it is larger than the sum of its proper divisors (5249733).

11112123 is a wasteful number, since it uses less digits than its factorization.

11112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154.

The product of its digits is 12, while the sum is 12.

The square root of 11112123 is about 3333.4851132111. The cubic root of 11112123 is about 223.1510904061.

Adding to 11112123 its reverse (32121111), we get a palindrome (43233234).

The spelling of 11112123 in words is "eleven million, one hundred twelve thousand, one hundred twenty-three".