4042123144343 has 4 divisors (see below), whose sum is σ = 4042223032248. Its totient is φ = 4042023256440.

The previous prime is 4042123144333. The next prime is 4042123144421. The reversal of 4042123144343 is 3434413212404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4042123144343 - 2⁴ = 4042123144327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042123144333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49883228 + ... + 49964193.

It is an arithmetic number, because the mean of its divisors is an integer number (1010555758062).

Almost surely, 2^{4042123144343} is an apocalyptic number.

4042123144343 is a deficient number, since it is larger than the sum of its proper divisors (99887905).

4042123144343 is an equidigital number, since it uses as much as digits as its factorization.

4042123144343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99887904.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 4042123144343 its reverse (3434413212404), we get a palindrome (7476536356747).

The spelling of 4042123144343 in words is "four trillion, forty-two billion, one hundred twenty-three million, one hundred forty-four thousand, three hundred forty-three".