84423504169843 has 16 divisors (see below), whose sum is σ = 91761121745280. Its totient is φ = 77376945724416.

The previous prime is 84423504169709. The next prime is 84423504169897. The reversal of 84423504169843 is 34896140532448.

It is a cyclic number.

It is not a de Polignac number, because 84423504169843 - 2¹⁷ = 84423504038771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84423504166843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430462780 + ... + 430658857.

It is an arithmetic number, because the mean of its divisors is an integer number (5735070109080).

Almost surely, 2^{84423504169843} is an apocalyptic number.

84423504169843 is a deficient number, since it is larger than the sum of its proper divisors (7337617575437).

84423504169843 is a wasteful number, since it uses less digits than its factorization.

84423504169843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861121806.

The product of its (nonzero) digits is 79626240, while the sum is 61.

The spelling of 84423504169843 in words is "eighty-four trillion, four hundred twenty-three billion, five hundred four million, one hundred sixty-nine thousand, eight hundred forty-three".