68823 has 8 divisors (see below), whose sum is σ = 102000. Its totient is φ = 45864.

The previous prime is 68821. The next prime is 68863. The reversal of 68823 is 32886.

It is not a de Polignac number, because 68823 - 2¹ = 68821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2549 = 68823 / (6 + 8 + 8 + 2 + 3).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68821) 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, 1248 + ... + 1301.

It is an arithmetic number, because the mean of its divisors is an integer number (12750).

2⁶⁸⁸²³ is an apocalyptic number.

68823 is a deficient number, since it is larger than the sum of its proper divisors (33177).

68823 is a wasteful number, since it uses less digits than its factorization.

68823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558 (or 2552 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 68823 is about 262.3413806474. The cubic root of 68823 is about 40.9805579048.

Subtracting from 68823 its reverse (32886), we obtain a cube (35937 = 33³).

The spelling of 68823 in words is "sixty-eight thousand, eight hundred twenty-three".