Base | Representation |
---|---|
bin | 11010101010011… |
… | …10011100110111 |
3 | 120120212111211212 |
4 | 31111032130313 |
5 | 424224334043 |
6 | 34105552035 |
7 | 5354101235 |
oct | 1525163467 |
9 | 516774755 |
10 | 223668023 |
11 | 105289107 |
12 | 62aa561b |
13 | 37453157 |
14 | 219c3955 |
15 | 14982018 |
hex | d54e737 |
223668023 has 2 divisors, whose sum is σ = 223668024. Its totient is φ = 223668022.
The previous prime is 223668013. The next prime is 223668037. The reversal of 223668023 is 320866322.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 223668023 - 28 = 223667767 is a prime.
It is a Sophie Germain prime.
It is equal to p12313697 and since 223668023 and 12313697 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (223668013) 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 as a sum of consecutive naturals, namely, 111834011 + 111834012.
It is an arithmetic number, because the mean of its divisors is an integer number (111834012).
Almost surely, 2223668023 is an apocalyptic number.
223668023 is a deficient number, since it is larger than the sum of its proper divisors (1).
223668023 is an equidigital number, since it uses as much as digits as its factorization.
223668023 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20736, while the sum is 32.
The square root of 223668023 is about 14955.5348617159. The cubic root of 223668023 is about 607.0176229134.
The spelling of 223668023 in words is "two hundred twenty-three million, six hundred sixty-eight thousand, twenty-three".
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