Base | Representation |
---|---|
bin | 101110111011… |
… | …101010101111 |
3 | 212011001120112 |
4 | 232323222233 |
5 | 11122144043 |
6 | 1115410235 |
7 | 206400605 |
oct | 56735257 |
9 | 25131515 |
10 | 12303023 |
11 | 6a43497 |
12 | 415397b |
13 | 2719bc5 |
14 | 18c3875 |
15 | 1130518 |
hex | bbbaaf |
12303023 has 4 divisors (see below), whose sum is σ = 12347088. Its totient is φ = 12258960.
The previous prime is 12303017. The next prime is 12303037. The reversal of 12303023 is 32030321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32030321 = 617 ⋅51913.
It is a cyclic number.
It is not a de Polignac number, because 12303023 - 26 = 12302959 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12302989 and 12303007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12303043) 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 3 ways as a sum of consecutive naturals, for example, 21611 + ... + 22172.
It is an arithmetic number, because the mean of its divisors is an integer number (3086772).
Almost surely, 212303023 is an apocalyptic number.
12303023 is a deficient number, since it is larger than the sum of its proper divisors (44065).
12303023 is an equidigital number, since it uses as much as digits as its factorization.
12303023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44064.
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 12303023 is about 3507.5665353632. The cubic root of 12303023 is about 230.8539333823.
Adding to 12303023 its reverse (32030321), we get a palindrome (44333344).
The spelling of 12303023 in words is "twelve million, three hundred three thousand, twenty-three".
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