42823058717 has 4 divisors (see below), whose sum is σ = 42851858496. Its totient is φ = 42794258940.

The previous prime is 42823058711. The next prime is 42823058797. The reversal of 42823058717 is 71785032824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42823058717 - 2²⁴ = 42806281501 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 (42823058711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14397659 + ... + 14400632.

It is an arithmetic number, because the mean of its divisors is an integer number (10712964624).

Almost surely, 2^42823058717 is an apocalyptic number.

It is an amenable number.

42823058717 is a deficient number, since it is larger than the sum of its proper divisors (28799779).

42823058717 is a wasteful number, since it uses less digits than its factorization.

42823058717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28799778.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 42823058717 in words is "forty-two billion, eight hundred twenty-three million, fifty-eight thousand, seven hundred seventeen".