2042643534423 has 8 divisors (see below), whose sum is σ = 2727190293888. Its totient is φ = 1359929565624.

The previous prime is 2042643534403. The next prime is 2042643534431. The reversal of 2042643534423 is 3244353462402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2042643534423 - 2⁶ = 2042643534359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042643534403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458195065 + ... + 458199522.

It is an arithmetic number, because the mean of its divisors is an integer number (340898786736).

Almost surely, 2^{2042643534423} is an apocalyptic number.

2042643534423 is a deficient number, since it is larger than the sum of its proper divisors (684546759465).

2042643534423 is an equidigital number, since it uses as much as digits as its factorization.

2042643534423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916395333.

The product of its (nonzero) digits is 1658880, while the sum is 42.

Adding to 2042643534423 its reverse (3244353462402), we get a palindrome (5286996996825).

The spelling of 2042643534423 in words is "two trillion, forty-two billion, six hundred forty-three million, five hundred thirty-four thousand, four hundred twenty-three".