12433242340 has 12 divisors (see below), whose sum is σ = 26109808956. Its totient is φ = 4973296928.

The previous prime is 12433242331. The next prime is 12433242379. The reversal of 12433242340 is 4324233421.

It can be written as a sum of positive squares in 2 ways, for example, as 4791685284 + 7641557056 = 69222^2 + 87416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12433242299 and 12433242308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310831039 + ... + 310831078.

It is an arithmetic number, because the mean of its divisors is an integer number (2175817413).

Almost surely, 2^12433242340 is an apocalyptic number.

12433242340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12433242340 is an abundant number, since it is smaller than the sum of its proper divisors (13676566616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12433242340 is a wasteful number, since it uses less digits than its factorization.

12433242340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621662126 (or 621662124 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 12433242340 its reverse (4324233421), we get a palindrome (16757475761).

The spelling of 12433242340 in words is "twelve billion, four hundred thirty-three million, two hundred forty-two thousand, three hundred forty".