Base | Representation |
---|---|
bin | 1110101011010… |
… | …00101110000011 |
3 | 22120122202100200 |
4 | 13111220232003 |
5 | 223004043243 |
6 | 20114420243 |
7 | 3023303025 |
oct | 725505603 |
9 | 276582320 |
10 | 123112323 |
11 | 63548124 |
12 | 35291683 |
13 | 1c676739 |
14 | 124ca015 |
15 | ac1cad3 |
hex | 7568b83 |
123112323 has 12 divisors (see below), whose sum is σ = 179972520. Its totient is φ = 81085536.
The previous prime is 123112321. The next prime is 123112331. The reversal of 123112323 is 323211321.
It is not a de Polignac number, because 123112323 - 21 = 123112321 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 123112296 and 123112305.
It is not an unprimeable number, because it can be changed into a prime (123112321) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81658 + ... + 83151.
It is an arithmetic number, because the mean of its divisors is an integer number (14997710).
Almost surely, 2123112323 is an apocalyptic number.
123112323 is a deficient number, since it is larger than the sum of its proper divisors (56860197).
123112323 is a wasteful number, since it uses less digits than its factorization.
123112323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164898 (or 164895 counting only the distinct ones).
The product of its digits is 216, while the sum is 18.
The square root of 123112323 is about 11095.5992627708. The cubic root of 123112323 is about 497.4703203593.
Adding to 123112323 its reverse (323211321), we get a palindrome (446323644).
The spelling of 123112323 in words is "one hundred twenty-three million, one hundred twelve thousand, three hundred twenty-three".
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