12343243044242 has 64 divisors (see below), whose sum is σ = 21375314712576. Its totient is φ = 5290537887360.

The previous prime is 12343243044049. The next prime is 12343243044263. The reversal of 12343243044242 is 24244034234321.

It is a junction number, because it is equal to n+sod(n) for n = 12343243044196 and 12343243044205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76861643 + ... + 77022065.

It is an arithmetic number, because the mean of its divisors is an integer number (333989292384).

Almost surely, 2^{12343243044242} is an apocalyptic number.

12343243044242 is a deficient number, since it is larger than the sum of its proper divisors (9032071668334).

12343243044242 is a wasteful number, since it uses less digits than its factorization.

12343243044242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162615.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 12343243044242 its reverse (24244034234321), we get a palindrome (36587277278563).

The spelling of 12343243044242 in words is "twelve trillion, three hundred forty-three billion, two hundred forty-three million, forty-four thousand, two hundred forty-two".