11104012123 has 4 divisors (see below), whose sum is σ = 11110348168. Its totient is φ = 11097676080.

The previous prime is 11104012121. The next prime is 11104012141. The reversal of 11104012123 is 32121040111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32121040111 = 118249 ⋅271639.

It is a cyclic number.

It is not a de Polignac number, because 11104012123 - 2¹ = 11104012121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11104012097 and 11104012106.

It is not an unprimeable number, because it can be changed into a prime (11104012121) 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, 3165393 + ... + 3168898.

It is an arithmetic number, because the mean of its divisors is an integer number (2777587042).

Almost surely, 2^11104012123 is an apocalyptic number.

11104012123 is a deficient number, since it is larger than the sum of its proper divisors (6336045).

11104012123 is an equidigital number, since it uses as much as digits as its factorization.

11104012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336044.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11104012123 its reverse (32121040111), we get a palindrome (43225052234).

The spelling of 11104012123 in words is "eleven billion, one hundred four million, twelve thousand, one hundred twenty-three".