42718846523 has 4 divisors (see below), whose sum is σ = 42864644928. Its totient is φ = 42573048120.

The previous prime is 42718846487. The next prime is 42718846543. The reversal of 42718846523 is 32564881724.

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 42718846523 - 2¹⁸ = 42718584379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42718846543) 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 3 ways as a sum of consecutive naturals, for example, 72898763 + ... + 72899348.

It is an arithmetic number, because the mean of its divisors is an integer number (10716161232).

Almost surely, 2^42718846523 is an apocalyptic number.

42718846523 is a deficient number, since it is larger than the sum of its proper divisors (145798405).

42718846523 is a wasteful number, since it uses less digits than its factorization.

42718846523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145798404.

The product of its digits is 2580480, while the sum is 50.

The spelling of 42718846523 in words is "forty-two billion, seven hundred eighteen million, eight hundred forty-six thousand, five hundred twenty-three".