340423012324243 has 6 divisors (see below), whose sum is σ = 346967278138964. Its totient is φ = 333999936617256.

The previous prime is 340423012324201. The next prime is 340423012324247. The reversal of 340423012324243 is 342423210324043.

It is not a de Polignac number, because 340423012324243 - 2¹⁷ = 340423012193171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340423012324247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60595051005 + ... + 60595056622.

Almost surely, 2^{340423012324243} is an apocalyptic number.

340423012324243 is a deficient number, since it is larger than the sum of its proper divisors (6544265814721).

340423012324243 is an equidigital number, since it uses as much as digits as its factorization.

340423012324243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121190107733 (or 121190107680 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 340423012324243 its reverse (342423210324043), we get a palindrome (682846222648286).

The spelling of 340423012324243 in words is "three hundred forty trillion, four hundred twenty-three billion, twelve million, three hundred twenty-four thousand, two hundred forty-three".