12413440343 has 16 divisors (see below), whose sum is σ = 13116490080. Its totient is φ = 11731015296.

The previous prime is 12413440321. The next prime is 12413440357. The reversal of 12413440343 is 34304431421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12413440343 - 2¹⁴ = 12413423959 is a prime.

It is a super-2 number, since 2×12413440343² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12413440043) 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, 284705 + ... + 325397.

It is an arithmetic number, because the mean of its divisors is an integer number (819780630).

Almost surely, 2^12413440343 is an apocalyptic number.

12413440343 is a deficient number, since it is larger than the sum of its proper divisors (703049737).

12413440343 is a wasteful number, since it uses less digits than its factorization.

12413440343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40946.

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

Adding to 12413440343 its reverse (34304431421), we get a palindrome (46717871764).

The spelling of 12413440343 in words is "twelve billion, four hundred thirteen million, four hundred forty thousand, three hundred forty-three".