Base | Representation |
---|---|
bin | 11011011011110… |
… | …11010101011011 |
3 | 121001001111021210 |
4 | 31231323111123 |
5 | 432404041243 |
6 | 34500434203 |
7 | 5463120534 |
oct | 1555732533 |
9 | 531044253 |
10 | 230143323 |
11 | 108a010a3 |
12 | 650a8963 |
13 | 388ac5a7 |
14 | 227cb68b |
15 | 15310933 |
hex | db7b55b |
230143323 has 4 divisors (see below), whose sum is σ = 306857768. Its totient is φ = 153428880.
The previous prime is 230143283. The next prime is 230143327. The reversal of 230143323 is 323341032.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 230143323 - 26 = 230143259 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 230143323.
It is not an unprimeable number, because it can be changed into a prime (230143327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38357218 + ... + 38357223.
It is an arithmetic number, because the mean of its divisors is an integer number (76714442).
Almost surely, 2230143323 is an apocalyptic number.
230143323 is a deficient number, since it is larger than the sum of its proper divisors (76714445).
230143323 is an equidigital number, since it uses as much as digits as its factorization.
230143323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76714444.
The product of its (nonzero) digits is 1296, while the sum is 21.
The square root of 230143323 is about 15170.4753715894. The cubic root of 230143323 is about 612.8198062231.
Adding to 230143323 its reverse (323341032), we get a palindrome (553484355).
The spelling of 230143323 in words is "two hundred thirty million, one hundred forty-three thousand, three hundred twenty-three".
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