171175423 has 2 divisors, whose sum is σ = 171175424. Its totient is φ = 171175422.

The previous prime is 171175421. The next prime is 171175441. The reversal of 171175423 is 324571171.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 171175423 - 2¹ = 171175421 is a prime.

Together with 171175421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171175421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85587711 + 85587712.

It is an arithmetic number, because the mean of its divisors is an integer number (85587712).

Almost surely, 2^171175423 is an apocalyptic number.

171175423 is a deficient number, since it is larger than the sum of its proper divisors (1).

171175423 is an equidigital number, since it uses as much as digits as its factorization.

171175423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 31.

The square root of 171175423 is about 13083.4025773115. The cubic root of 171175423 is about 555.2396476083.

The spelling of 171175423 in words is "one hundred seventy-one million, one hundred seventy-five thousand, four hundred twenty-three".