12343440422 has 8 divisors (see below), whose sum is σ = 18945745896. Its totient is φ = 6028191792.

The previous prime is 12343440413. The next prime is 12343440451. The reversal of 12343440422 is 22404434321.

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

It is a congruent number.

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, 71764103 + ... + 71764274.

It is an arithmetic number, because the mean of its divisors is an integer number (2368218237).

Almost surely, 2^12343440422 is an apocalyptic number.

12343440422 is a deficient number, since it is larger than the sum of its proper divisors (6602305474).

12343440422 is a wasteful number, since it uses less digits than its factorization.

12343440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143528422.

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

Adding to 12343440422 its reverse (22404434321), we get a palindrome (34747874743).

The spelling of 12343440422 in words is "twelve billion, three hundred forty-three million, four hundred forty thousand, four hundred twenty-two".