12344040243 has 12 divisors (see below), whose sum is σ = 17840281368. Its totient is φ = 8224744320.

The previous prime is 12344040227. The next prime is 12344040287. The reversal of 12344040243 is 34204044321.

It is a happy number.

12344040243 is a `hidden beast` number, since 1 + 234 + 404 + 0 + 24 + 3 = 666.

It is not a de Polignac number, because 12344040243 - 2⁴ = 12344040227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12344044243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367678 + ... + 399843.

It is an arithmetic number, because the mean of its divisors is an integer number (1486690114).

Almost surely, 2^12344040243 is an apocalyptic number.

12344040243 is a deficient number, since it is larger than the sum of its proper divisors (5496241125).

12344040243 is a wasteful number, since it uses less digits than its factorization.

12344040243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769314 (or 769311 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 12344040243 its reverse (34204044321), we get a palindrome (46548084564).

The spelling of 12344040243 in words is "twelve billion, three hundred forty-four million, forty thousand, two hundred forty-three".