173473543 has 2 divisors, whose sum is σ = 173473544. Its totient is φ = 173473542.

The previous prime is 173473523. The next prime is 173473571. The reversal of 173473543 is 345374371.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 173473543 - 2¹⁷ = 173342471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173473513) 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, 86736771 + 86736772.

It is an arithmetic number, because the mean of its divisors is an integer number (86736772).

Almost surely, 2^173473543 is an apocalyptic number.

173473543 is a deficient number, since it is larger than the sum of its proper divisors (1).

173473543 is an equidigital number, since it uses as much as digits as its factorization.

173473543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 37.

The square root of 173473543 is about 13170.9355400442. The cubic root of 173473543 is about 557.7134045965.

The spelling of 173473543 in words is "one hundred seventy-three million, four hundred seventy-three thousand, five hundred forty-three".