171023297 has 2 divisors, whose sum is σ = 171023298. Its totient is φ = 171023296.

The previous prime is 171023273. The next prime is 171023317. The reversal of 171023297 is 792320171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101284096 + 69739201 = 10064^2 + 8351^2 .

It is a cyclic number.

It is not a de Polignac number, because 171023297 - 2¹⁸ = 170761153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (171023227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85511648 + 85511649.

It is an arithmetic number, because the mean of its divisors is an integer number (85511649).

Almost surely, 2^171023297 is an apocalyptic number.

It is an amenable number.

171023297 is a deficient number, since it is larger than the sum of its proper divisors (1).

171023297 is an equidigital number, since it uses as much as digits as its factorization.

171023297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 171023297 is about 13077.5875833427. The cubic root of 171023297 is about 555.0751157698.

Subtracting from 171023297 its sum of digits (32), we obtain a triangular number (171023265 = T₁₈₄₉₄).

The spelling of 171023297 in words is "one hundred seventy-one million, twenty-three thousand, two hundred ninety-seven".