11124434123 has 4 divisors (see below), whose sum is σ = 12135746328. Its totient is φ = 10113121920.

The previous prime is 11124434119. The next prime is 11124434137. The reversal of 11124434123 is 32143442111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32143442111 = 11 ⋅2922131101.

It is not a de Polignac number, because 11124434123 - 2² = 11124434119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11124434092 and 11124434101.

It is not an unprimeable number, because it can be changed into a prime (11124434323) 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, 505656086 + ... + 505656107.

It is an arithmetic number, because the mean of its divisors is an integer number (3033936582).

Almost surely, 2^11124434123 is an apocalyptic number.

11124434123 is a deficient number, since it is larger than the sum of its proper divisors (1011312205).

11124434123 is a wasteful number, since it uses less digits than its factorization.

11124434123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011312204.

The product of its digits is 2304, while the sum is 26.

Adding to 11124434123 its reverse (32143442111), we get a palindrome (43267876234).

The spelling of 11124434123 in words is "eleven billion, one hundred twenty-four million, four hundred thirty-four thousand, one hundred twenty-three".