12343320434 has 8 divisors (see below), whose sum is σ = 18519753180. Its totient is φ = 6170069376.

The previous prime is 12343320419. The next prime is 12343320443. The reversal of 12343320434 is 43402334321.

It can be written as a sum of positive squares in 2 ways, for example, as 12277304809 + 66015625 = 110803^2 + 8125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12343320397 and 12343320406.

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, 785699 + ... + 801254.

Almost surely, 2^12343320434 is an apocalyptic number.

12343320434 is a deficient number, since it is larger than the sum of its proper divisors (6176432746).

12343320434 is a wasteful number, since it uses less digits than its factorization.

12343320434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590844.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 12343320434 its reverse (43402334321), we get a palindrome (55745654755).

The spelling of 12343320434 in words is "twelve billion, three hundred forty-three million, three hundred twenty thousand, four hundred thirty-four".