12344140543 has 16 divisors (see below), whose sum is σ = 14269043200. Its totient is φ = 10460282976.

The previous prime is 12344140537. The next prime is 12344140597. The reversal of 12344140543 is 34504144321.

It is a cyclic number.

It is not a de Polignac number, because 12344140543 - 2¹³ = 12344132351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344140843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190480 + ... + 246922.

It is an arithmetic number, because the mean of its divisors is an integer number (891815200).

Almost surely, 2^12344140543 is an apocalyptic number.

12344140543 is a deficient number, since it is larger than the sum of its proper divisors (1924902657).

12344140543 is a wasteful number, since it uses less digits than its factorization.

12344140543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56806.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 12344140543 its reverse (34504144321), we get a palindrome (46848284864).

The spelling of 12344140543 in words is "twelve billion, three hundred forty-four million, one hundred forty thousand, five hundred forty-three".