17423 has 8 divisors (see below), whose sum is σ = 21120. Its totient is φ = 14040.

The previous prime is 17419. The next prime is 17431. The reversal of 17423 is 32471.

It is a happy number.

It is a Cunningham number, because it is equal to 132²-1.

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 17423 - 2² = 17419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68 + ... + 198.

It is an arithmetic number, because the mean of its divisors is an integer number (2640).

2¹⁷⁴²³ is an apocalyptic number.

17423 is a deficient number, since it is larger than the sum of its proper divisors (3697).

17423 is a wasteful number, since it uses less digits than its factorization.

17423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157.

The product of its digits is 168, while the sum is 17.

The square root of 17423 is about 131.9962120669. The cubic root of 17423 is about 25.9243362341.

Adding to 17423 its reverse (32471), we get a palindrome (49894).

The spelling of 17423 in words is "seventeen thousand, four hundred twenty-three", and thus it is an iban number.