Base | Representation |
---|---|
bin | 10101101000000101… |
… | …110110100101000111 |
3 | 2012221022210020121202 |
4 | 111220011312211013 |
5 | 340024111414343 |
6 | 14400114533115 |
7 | 1451304645053 |
oct | 255005664507 |
9 | 65838706552 |
10 | 23221201223 |
11 | 99368431a0 |
12 | 460089719b |
13 | 2260b5a56c |
14 | 11a402cc63 |
15 | 90d955db8 |
hex | 568176947 |
23221201223 has 8 divisors (see below), whose sum is σ = 25333393680. Its totient is φ = 21109204480.
The previous prime is 23221201193. The next prime is 23221201259. The reversal of 23221201223 is 32210212232.
It is a happy number.
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 23221201223 - 216 = 23221135687 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23221201195 and 23221201204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23221201273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320423 + ... + 386151.
It is an arithmetic number, because the mean of its divisors is an integer number (3166674210).
Almost surely, 223221201223 is an apocalyptic number.
23221201223 is a deficient number, since it is larger than the sum of its proper divisors (2112192457).
23221201223 is a wasteful number, since it uses less digits than its factorization.
23221201223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97857.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 23221201223 its reverse (32210212232), we get a palindrome (55431413455).
The spelling of 23221201223 in words is "twenty-three billion, two hundred twenty-one million, two hundred one thousand, two hundred twenty-three".
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