Base | Representation |
---|---|
bin | 11010100111101… |
… | …11100010010111 |
3 | 120120012102111200 |
4 | 31103313202113 |
5 | 424131441043 |
6 | 34054203543 |
7 | 5351056314 |
oct | 1523674227 |
9 | 516172450 |
10 | 223312023 |
11 | 1050656a0 |
12 | 629535b3 |
13 | 3735a0bc |
14 | 2192dd0b |
15 | 149117d3 |
hex | d4f7897 |
223312023 has 12 divisors (see below), whose sum is σ = 351885768. Its totient is φ = 135340560.
The previous prime is 223312021. The next prime is 223312079. The reversal of 223312023 is 320213322.
It is a happy number.
It is not a de Polignac number, because 223312023 - 21 = 223312021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 223311987 and 223312005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223312021) 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 11 ways as a sum of consecutive naturals, for example, 1127740 + ... + 1127937.
It is an arithmetic number, because the mean of its divisors is an integer number (29323814).
Almost surely, 2223312023 is an apocalyptic number.
223312023 is a deficient number, since it is larger than the sum of its proper divisors (128573745).
223312023 is a wasteful number, since it uses less digits than its factorization.
223312023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2255694 (or 2255691 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 223312023 is about 14943.6281739074. The cubic root of 223312023 is about 606.6953997917.
Adding to 223312023 its reverse (320213322), we get a palindrome (543525345).
The spelling of 223312023 in words is "two hundred twenty-three million, three hundred twelve thousand, twenty-three".
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