Base | Representation |
---|---|
bin | 1110101100001… |
… | …01011100111011 |
3 | 22120212201210111 |
4 | 13112011130323 |
5 | 223021330021 |
6 | 20121125151 |
7 | 3024303112 |
oct | 726053473 |
9 | 276781714 |
10 | 123230011 |
11 | 63618593 |
12 | 353297b7 |
13 | 1c6b8188 |
14 | 1251ac79 |
15 | ac428e1 |
hex | 758573b |
123230011 has 2 divisors, whose sum is σ = 123230012. Its totient is φ = 123230010.
The previous prime is 123229979. The next prime is 123230027. The reversal of 123230011 is 110032321.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 123230011 - 25 = 123229979 is a prime.
It is a super-2 number, since 2×1232300112 = 30371271222120242, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 123229973 and 123230000.
It is not a weakly prime, because it can be changed into another prime (123230071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61615005 + 61615006.
It is an arithmetic number, because the mean of its divisors is an integer number (61615006).
Almost surely, 2123230011 is an apocalyptic number.
123230011 is a deficient number, since it is larger than the sum of its proper divisors (1).
123230011 is an equidigital number, since it uses as much as digits as its factorization.
123230011 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 123230011 is about 11100.9013597996. The cubic root of 123230011 is about 497.6287871425.
Adding to 123230011 its reverse (110032321), we get a palindrome (233262332).
The spelling of 123230011 in words is "one hundred twenty-three million, two hundred thirty thousand, eleven".
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