11243114123 has 4 divisors (see below), whose sum is σ = 11272017120. Its totient is φ = 11214211128.

The previous prime is 11243114117. The next prime is 11243114147. The reversal of 11243114123 is 32141134211.

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

It is a cyclic number.

It is not a de Polignac number, because 11243114123 - 2⁸ = 11243113867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11243114923) 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, 14450915 + ... + 14451692.

It is an arithmetic number, because the mean of its divisors is an integer number (2818004280).

Almost surely, 2^11243114123 is an apocalyptic number.

11243114123 is a deficient number, since it is larger than the sum of its proper divisors (28902997).

11243114123 is an equidigital number, since it uses as much as digits as its factorization.

11243114123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28902996.

The product of its digits is 576, while the sum is 23.

Adding to 11243114123 its reverse (32141134211), we get a palindrome (43384248334).

The spelling of 11243114123 in words is "eleven billion, two hundred forty-three million, one hundred fourteen thousand, one hundred twenty-three".