12343144403 has 4 divisors (see below), whose sum is σ = 12343366728. Its totient is φ = 12342922080.

The previous prime is 12343144399. The next prime is 12343144421. The reversal of 12343144403 is 30444134321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30444134321 = 19 ⋅1602322859.

It is a cyclic number.

It is not a de Polignac number, because 12343144403 - 2² = 12343144399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12343144433) 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, 50000 + ... + 164882.

It is an arithmetic number, because the mean of its divisors is an integer number (3085841682).

Almost surely, 2^12343144403 is an apocalyptic number.

12343144403 is a deficient number, since it is larger than the sum of its proper divisors (222325).

12343144403 is a wasteful number, since it uses less digits than its factorization.

12343144403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222324.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 12343144403 its reverse (30444134321), we get a palindrome (42787278724).

The spelling of 12343144403 in words is "twelve billion, three hundred forty-three million, one hundred forty-four thousand, four hundred three".