Base | Representation |
---|---|
bin | 1110101100000… |
… | …11101111111001 |
3 | 22120212101020001 |
4 | 13112003233321 |
5 | 223021114113 |
6 | 20121033001 |
7 | 3024243553 |
oct | 726035771 |
9 | 276771201 |
10 | 123223033 |
11 | 6361331a |
12 | 35325761 |
13 | 1c6b4c4b |
14 | 125184d3 |
15 | ac407dd |
hex | 7583bf9 |
123223033 has 2 divisors, whose sum is σ = 123223034. Its totient is φ = 123223032.
The previous prime is 123223031. The next prime is 123223043. The reversal of 123223033 is 330322321.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 97851664 + 25371369 = 9892^2 + 5037^2 .
It is a cyclic number.
It is not a de Polignac number, because 123223033 - 21 = 123223031 is a prime.
Together with 123223031, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 123223033.
It is not a weakly prime, because it can be changed into another prime (123223031) 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, 61611516 + 61611517.
It is an arithmetic number, because the mean of its divisors is an integer number (61611517).
Almost surely, 2123223033 is an apocalyptic number.
It is an amenable number.
123223033 is a deficient number, since it is larger than the sum of its proper divisors (1).
123223033 is an equidigital number, since it uses as much as digits as its factorization.
123223033 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 648, while the sum is 19.
The square root of 123223033 is about 11100.5870565480. The cubic root of 123223033 is about 497.6193940864.
Adding to 123223033 its reverse (330322321), we get a palindrome (453545354).
The spelling of 123223033 in words is "one hundred twenty-three million, two hundred twenty-three thousand, thirty-three".
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