Base | Representation |
---|---|
bin | 101100000100… |
… | …0111100101011 |
3 | 1121110212112201 |
4 | 1120020330223 |
5 | 21403332243 |
6 | 2143121031 |
7 | 400251313 |
oct | 130107453 |
9 | 47425481 |
10 | 23105323 |
11 | 1205140a |
12 | 78a3177 |
13 | 4a2c9b7 |
14 | 30d6443 |
15 | 206604d |
hex | 1608f2b |
23105323 has 6 divisors (see below), whose sum is σ = 23875692. Its totient is φ = 22359060.
The previous prime is 23105309. The next prime is 23105351. The reversal of 23105323 is 32350132.
It is not a de Polignac number, because 23105323 - 221 = 21008171 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 23105323.
It is not an unprimeable number, because it can be changed into a prime (23145323) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11061 + ... + 12982.
It is an arithmetic number, because the mean of its divisors is an integer number (3979282).
Almost surely, 223105323 is an apocalyptic number.
23105323 is a deficient number, since it is larger than the sum of its proper divisors (770369).
23105323 is an equidigital number, since it uses as much as digits as its factorization.
23105323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24105 (or 24074 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 19.
The square root of 23105323 is about 4806.7996629774. The cubic root of 23105323 is about 284.8201306824.
Adding to 23105323 its reverse (32350132), we get a palindrome (55455455).
The spelling of 23105323 in words is "twenty-three million, one hundred five thousand, three hundred twenty-three".
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