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68323 = 174019
BaseRepresentation
bin10000101011100011
310110201111
4100223203
54141243
61244151
7403123
oct205343
9113644
1068323
1147372
1233657
1325138
141ac83
151539d
hex10ae3

68323 has 4 divisors (see below), whose sum is σ = 72360. Its totient is φ = 64288.

The previous prime is 68311. The next prime is 68329. The reversal of 68323 is 32386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32386 = 216193.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68323 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 = 68294 and 68303.

It is not an unprimeable number, because it can be changed into a prime (68329) 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, 1993 + ... + 2026.

It is an arithmetic number, because the mean of its divisors is an integer number (18090).

268323 is an apocalyptic number.

68323 is a deficient number, since it is larger than the sum of its proper divisors (4037).

68323 is a wasteful number, since it uses less digits than its factorization.

68323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036.

The product of its digits is 864, while the sum is 22.

The square root of 68323 is about 261.3866867306. The cubic root of 68323 is about 40.8810751693.

Subtracting from 68323 its reverse (32386), we obtain a cube (35937 = 333).

The spelling of 68323 in words is "sixty-eight thousand, three hundred twenty-three".

Divisors: 1 17 4019 68323