12402424343 has 32 divisors (see below), whose sum is σ = 13474086912. Its totient is φ = 11386821600.

The previous prime is 12402424313. The next prime is 12402424351. The reversal of 12402424343 is 34342420421.

It is a de Polignac number, because none of the positive numbers 2^k-12402424343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402424313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21720248 + ... + 21720818.

It is an arithmetic number, because the mean of its divisors is an integer number (421065216).

Almost surely, 2^12402424343 is an apocalyptic number.

12402424343 is a deficient number, since it is larger than the sum of its proper divisors (1071662569).

12402424343 is a wasteful number, since it uses less digits than its factorization.

12402424343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 12402424343 its reverse (34342420421), we get a palindrome (46744844764).

The spelling of 12402424343 in words is "twelve billion, four hundred two million, four hundred twenty-four thousand, three hundred forty-three".