173212730303 has 2 divisors, whose sum is σ = 173212730304. Its totient is φ = 173212730302.

The previous prime is 173212730297. The next prime is 173212730311. The reversal of 173212730303 is 303037212371.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 173212730303 - 2⁶ = 173212730239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 173212730303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173212735303) 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, 86606365151 + 86606365152.

It is an arithmetic number, because the mean of its divisors is an integer number (86606365152).

Almost surely, 2^173212730303 is an apocalyptic number.

173212730303 is a deficient number, since it is larger than the sum of its proper divisors (1).

173212730303 is an equidigital number, since it uses as much as digits as its factorization.

173212730303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 32.

Adding to 173212730303 its reverse (303037212371), we get a palindrome (476249942674).

The spelling of 173212730303 in words is "one hundred seventy-three billion, two hundred twelve million, seven hundred thirty thousand, three hundred three".