68423 has 4 divisors (see below), whose sum is σ = 69768. Its totient is φ = 67080.

The previous prime is 68399. The next prime is 68437. The reversal of 68423 is 32486.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68423 - 2¹⁰ = 67399 is a prime.

It is a d-powerful number, because it can be written as 6⁵ + 8⁵ + 4 + 2¹³ + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68443) 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, 593 + ... + 698.

It is an arithmetic number, because the mean of its divisors is an integer number (17442).

2⁶⁸⁴²³ is an apocalyptic number.

68423 is a deficient number, since it is larger than the sum of its proper divisors (1345).

68423 is a wasteful number, since it uses less digits than its factorization.

68423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its digits is 1152, while the sum is 23.

The square root of 68423 is about 261.5779042656. The cubic root of 68423 is about 40.9010104504.

Subtracting from 68423 its reverse (32486), we obtain a cube (35937 = 33³).

It can be divided in two parts, 684 and 23, that added together give a palindrome (707).

The spelling of 68423 in words is "sixty-eight thousand, four hundred twenty-three".