Base | Representation |
---|---|
bin | 10101100111011111… |
… | …000001011100101011 |
3 | 2012220121122002112001 |
4 | 111213133001130223 |
5 | 340014010201443 |
6 | 14355112431431 |
7 | 1451122301302 |
oct | 254737013453 |
9 | 65817562461 |
10 | 23211022123 |
11 | 9931020513 |
12 | 45b93a8577 |
13 | 225ba05323 |
14 | 11a293d439 |
15 | 90cae4d4d |
hex | 5677c172b |
23211022123 has 8 divisors (see below), whose sum is σ = 23320416896. Its totient is φ = 23101675200.
The previous prime is 23211022007. The next prime is 23211022129. The reversal of 23211022123 is 32122011232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23211022123 - 221 = 23208924971 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 23211022123.
It is not an unprimeable number, because it can be changed into a prime (23211022129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289143 + ... + 1307023.
It is an arithmetic number, because the mean of its divisors is an integer number (2915052112).
Almost surely, 223211022123 is an apocalyptic number.
23211022123 is a deficient number, since it is larger than the sum of its proper divisors (109394773).
23211022123 is a wasteful number, since it uses less digits than its factorization.
23211022123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23925.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 23211022123 its reverse (32122011232), we get a palindrome (55333033355).
The spelling of 23211022123 in words is "twenty-three billion, two hundred eleven million, twenty-two thousand, one hundred twenty-three".
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