168423 has 8 divisors (see below), whose sum is σ = 231936. Its totient is φ = 108600.

The previous prime is 168409. The next prime is 168433. The reversal of 168423 is 324861.

It is a happy number.

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

It is not a de Polignac number, because 168423 - 2⁵ = 168391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168393 and 168402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168433) 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, 813 + ... + 998.

It is an arithmetic number, because the mean of its divisors is an integer number (28992).

2¹⁶⁸⁴²³ is an apocalyptic number.

168423 is a deficient number, since it is larger than the sum of its proper divisors (63513).

168423 is a wasteful number, since it uses less digits than its factorization.

168423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845.

The product of its digits is 1152, while the sum is 24.

The square root of 168423 is about 410.3937134021. The cubic root of 168423 is about 55.2247552271.

The spelling of 168423 in words is "one hundred sixty-eight thousand, four hundred twenty-three".