173984243 has 2 divisors, whose sum is σ = 173984244. Its totient is φ = 173984242.

The previous prime is 173984233. The next prime is 173984257. The reversal of 173984243 is 342489371.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 173984243 - 2⁴ = 173984227 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 173984243.

It is not a weakly prime, because it can be changed into another prime (173984203) 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 as a sum of consecutive naturals, namely, 86992121 + 86992122.

It is an arithmetic number, because the mean of its divisors is an integer number (86992122).

Almost surely, 2^173984243 is an apocalyptic number.

173984243 is a deficient number, since it is larger than the sum of its proper divisors (1).

173984243 is an equidigital number, since it uses as much as digits as its factorization.

173984243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 173984243 is about 13190.3086772069. The cubic root of 173984243 is about 558.2601646055.

The spelling of 173984243 in words is "one hundred seventy-three million, nine hundred eighty-four thousand, two hundred forty-three".