173323853 has 2 divisors, whose sum is σ = 173323854. Its totient is φ = 173323852.

The previous prime is 173323817. The next prime is 173323859. The reversal of 173323853 is 358323371.

173323853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106770889 + 66552964 = 10333^2 + 8158^2 .

It is a cyclic number.

It is not a de Polignac number, because 173323853 - 2⁸ = 173323597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173323859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86661926 + 86661927.

It is an arithmetic number, because the mean of its divisors is an integer number (86661927).

Almost surely, 2^173323853 is an apocalyptic number.

It is an amenable number.

173323853 is a deficient number, since it is larger than the sum of its proper divisors (1).

173323853 is an equidigital number, since it uses as much as digits as its factorization.

173323853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 35.

The square root of 173323853 is about 13165.2517256602. The cubic root of 173323853 is about 557.5529418109.

The spelling of 173323853 in words is "one hundred seventy-three million, three hundred twenty-three thousand, eight hundred fifty-three".