23171 has 8 divisors (see below), whose sum is σ = 25920. Its totient is φ = 20608.

The previous prime is 23167. The next prime is 23173. The reversal of 23171 is 17132.

23171 = 13² + 14² + ... + 41².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23171 - 2² = 23167 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (23173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470 + ... + 516.

It is an arithmetic number, because the mean of its divisors is an integer number (3240).

2²³¹⁷¹ is an apocalyptic number.

23171 is a deficient number, since it is larger than the sum of its proper divisors (2749).

23171 is a wasteful number, since it uses less digits than its factorization.

23171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93.

The product of its digits is 42, while the sum is 14.

The square root of 23171 is about 152.2202351857. The cubic root of 23171 is about 28.5089742950.

The spelling of 23171 in words is "twenty-three thousand, one hundred seventy-one", and thus it is an iban number.