Base | Representation |
---|---|
bin | 101100101011… |
… | …0000100100111 |
3 | 1122001220212201 |
4 | 1121112010213 |
5 | 21443434343 |
6 | 2153555331 |
7 | 403035310 |
oct | 131260447 |
9 | 48056781 |
10 | 23421223 |
11 | 12247791 |
12 | 7a15b47 |
13 | 4b10717 |
14 | 3179607 |
15 | 20c994d |
hex | 1656127 |
23421223 has 8 divisors (see below), whose sum is σ = 28341792. Its totient is φ = 18894336.
The previous prime is 23421221. The next prime is 23421253. The reversal of 23421223 is 32212432.
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 23421223 - 21 = 23421221 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 23421223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23421221) 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, 98290 + ... + 98527.
It is an arithmetic number, because the mean of its divisors is an integer number (3542724).
Almost surely, 223421223 is an apocalyptic number.
23421223 is a deficient number, since it is larger than the sum of its proper divisors (4920569).
23421223 is a wasteful number, since it uses less digits than its factorization.
23421223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196841.
The product of its digits is 576, while the sum is 19.
The square root of 23421223 is about 4839.5478094549. The cubic root of 23421223 is about 286.1122963584.
Adding to 23421223 its reverse (32212432), we get a palindrome (55633655).
The spelling of 23421223 in words is "twenty-three million, four hundred twenty-one thousand, two hundred twenty-three".
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