Search a number
-
+
23668303 = 173136811
BaseRepresentation
bin101101001001…
…0011001001111
31122112110210211
41122102121033
522024341203
62203143251
7405114541
oct132223117
948473724
1023668303
11123a638a
127b14b27
134b99019
143201691
152127c6d
hex169264f

23668303 has 4 divisors (see below), whose sum is σ = 23805288. Its totient is φ = 23531320.

The previous prime is 23668289. The next prime is 23668331. The reversal of 23668303 is 30386632.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23668303 is a prime.

It is a Smith number, since the sum of its digits (31) 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (23668343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68233 + ... + 68578.

It is an arithmetic number, because the mean of its divisors is an integer number (5951322).

Almost surely, 223668303 is an apocalyptic number.

23668303 is a deficient number, since it is larger than the sum of its proper divisors (136985).

23668303 is a wasteful number, since it uses less digits than its factorization.

23668303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136984.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 23668303 is about 4865.0080164374. The cubic root of 23668303 is about 287.1148839763.

The spelling of 23668303 in words is "twenty-three million, six hundred sixty-eight thousand, three hundred three".

Divisors: 1 173 136811 23668303