Base | Representation |
---|---|
bin | 11001010000001… |
… | …010001010010011 |
3 | 1002112012110221022 |
4 | 121100022022103 |
5 | 1331424310243 |
6 | 110012350055 |
7 | 13333050533 |
oct | 3120121223 |
9 | 1075173838 |
10 | 423666323 |
11 | 1a816a863 |
12 | b9a7532b |
13 | 69a09742 |
14 | 403a54c3 |
15 | 272dab68 |
hex | 1940a293 |
423666323 has 4 divisors (see below), whose sum is σ = 427553280. Its totient is φ = 419779368.
The previous prime is 423666293. The next prime is 423666431. The reversal of 423666323 is 323666324.
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-423666323 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (423666223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943315 + ... + 1943532.
It is an arithmetic number, because the mean of its divisors is an integer number (106888320).
Almost surely, 2423666323 is an apocalyptic number.
423666323 is a deficient number, since it is larger than the sum of its proper divisors (3886957).
423666323 is a wasteful number, since it uses less digits than its factorization.
423666323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3886956.
The product of its digits is 93312, while the sum is 35.
The square root of 423666323 is about 20583.1562934357. The cubic root of 423666323 is about 751.0600258286.
Subtracting from 423666323 its reverse (323666324), we obtain a palindrome (99999999).
The spelling of 423666323 in words is "four hundred twenty-three million, six hundred sixty-six thousand, three hundred twenty-three".
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