12243114523 has 4 divisors (see below), whose sum is σ = 12244190368. Its totient is φ = 12242038680.

The previous prime is 12243114511. The next prime is 12243114529. The reversal of 12243114523 is 32541134221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32541134221 = 13163 ⋅2472167.

It is a cyclic number.

It is not a de Polignac number, because 12243114523 - 2⁵ = 12243114491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12243114491 and 12243114500.

It is not an unprimeable number, because it can be changed into a prime (12243114529) 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, 520668 + ... + 543673.

It is an arithmetic number, because the mean of its divisors is an integer number (3061047592).

Almost surely, 2^12243114523 is an apocalyptic number.

12243114523 is a deficient number, since it is larger than the sum of its proper divisors (1075845).

12243114523 is a wasteful number, since it uses less digits than its factorization.

12243114523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075844.

The product of its digits is 5760, while the sum is 28.

Adding to 12243114523 its reverse (32541134221), we get a palindrome (44784248744).

The spelling of 12243114523 in words is "twelve billion, two hundred forty-three million, one hundred fourteen thousand, five hundred twenty-three".