171043427 has 4 divisors (see below), whose sum is σ = 171145800. Its totient is φ = 170941056.

The previous prime is 171043423. The next prime is 171043463. The reversal of 171043427 is 724340171.

171043427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724340171 = 47 ⋅15411493.

It is a cyclic number.

It is not a de Polignac number, because 171043427 - 2² = 171043423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 171043427.

It is not an unprimeable number, because it can be changed into a prime (171043423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48638 + ... + 52035.

It is an arithmetic number, because the mean of its divisors is an integer number (42786450).

Almost surely, 2^171043427 is an apocalyptic number.

171043427 is a deficient number, since it is larger than the sum of its proper divisors (102373).

171043427 is a wasteful number, since it uses less digits than its factorization.

171043427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102372.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 171043427 is about 13078.3571980582. The cubic root of 171043427 is about 555.0968929661.

Adding to 171043427 its reverse (724340171), we get a palindrome (895383598).

The spelling of 171043427 in words is "one hundred seventy-one million, forty-three thousand, four hundred twenty-seven".