2042343301243 has 16 divisors (see below), whose sum is σ = 2457034272000. Its totient is φ = 1658390235552.

The previous prime is 2042343301231. The next prime is 2042343301283. The reversal of 2042343301243 is 3421033432402.

It is a happy number.

It is not a de Polignac number, because 2042343301243 - 2⁹ = 2042343300731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2042343301283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4143588 + ... + 4610206.

It is an arithmetic number, because the mean of its divisors is an integer number (153564642000).

Almost surely, 2^{2042343301243} is an apocalyptic number.

2042343301243 is a deficient number, since it is larger than the sum of its proper divisors (414690970757).

2042343301243 is a wasteful number, since it uses less digits than its factorization.

2042343301243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499554.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 2042343301243 its reverse (3421033432402), we get a palindrome (5463376733645).

The spelling of 2042343301243 in words is "two trillion, forty-two billion, three hundred forty-three million, three hundred one thousand, two hundred forty-three".