6543142859323 has 4 divisors (see below), whose sum is σ = 7477877553520. Its totient is φ = 5608408165128.

The previous prime is 6543142859261. The next prime is 6543142859339. The reversal of 6543142859323 is 3239582413456.

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 6543142859323 - 2³⁷ = 6405703905851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6543142859353) 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, 467367347088 + ... + 467367347101.

It is an arithmetic number, because the mean of its divisors is an integer number (1869469388380).

Almost surely, 2^{6543142859323} is an apocalyptic number.

6543142859323 is a deficient number, since it is larger than the sum of its proper divisors (934734694197).

6543142859323 is an equidigital number, since it uses as much as digits as its factorization.

6543142859323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934734694196.

The product of its digits is 18662400, while the sum is 55.

The spelling of 6543142859323 in words is "six trillion, five hundred forty-three billion, one hundred forty-two million, eight hundred fifty-nine thousand, three hundred twenty-three".