67423 has 4 divisors (see below), whose sum is σ = 67968. Its totient is φ = 66880.

The previous prime is 67421. The next prime is 67427. The reversal of 67423 is 32476.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 67423 - 2¹ = 67421 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67394 and 67403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67421) 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, 15 + ... + 367.

It is an arithmetic number, because the mean of its divisors is an integer number (16992).

2⁶⁷⁴²³ is an apocalyptic number.

67423 is a deficient number, since it is larger than the sum of its proper divisors (545).

67423 is a wasteful number, since it uses less digits than its factorization.

67423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its digits is 1008, while the sum is 22.

The square root of 67423 is about 259.6593922815. The cubic root of 67423 is about 40.7007761243.

Adding to 67423 its reverse (32476), we get a palindrome (99899).

The spelling of 67423 in words is "sixty-seven thousand, four hundred twenty-three".