171613423 has 4 divisors (see below), whose sum is σ = 171683248. Its totient is φ = 171543600.

The previous prime is 171613397. The next prime is 171613433. The reversal of 171613423 is 324316171.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 171613423 - 2⁵ = 171613391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 171613391 and 171613400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171613433) 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 in 3 ways as a sum of consecutive naturals, for example, 31086 + ... + 36187.

It is an arithmetic number, because the mean of its divisors is an integer number (42920812).

Almost surely, 2^171613423 is an apocalyptic number.

171613423 is a deficient number, since it is larger than the sum of its proper divisors (69825).

171613423 is an equidigital number, since it uses as much as digits as its factorization.

171613423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69824.

The product of its digits is 3024, while the sum is 28.

The square root of 171613423 is about 13100.1306482035. The cubic root of 171613423 is about 555.7128226869.

Adding to 171613423 its reverse (324316171), we get a palindrome (495929594).

The spelling of 171613423 in words is "one hundred seventy-one million, six hundred thirteen thousand, four hundred twenty-three".