Base | Representation |
---|---|
bin | 1110101011111… |
… | …10111010010111 |
3 | 22120211101001100 |
4 | 13111332322113 |
5 | 223020000343 |
6 | 20120401143 |
7 | 3024132033 |
oct | 725767227 |
9 | 276741040 |
10 | 123203223 |
11 | 635aa450 |
12 | 353161b3 |
13 | 1c6a8c20 |
14 | 125111c3 |
15 | ac399d3 |
hex | 757ee97 |
123203223 has 48 divisors (see below), whose sum is σ = 216347040. Its totient is φ = 66528000.
The previous prime is 123203219. The next prime is 123203251. The reversal of 123203223 is 322302321.
It is a happy number.
It is not a de Polignac number, because 123203223 - 22 = 123203219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 123203196 and 123203205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123203293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35673 + ... + 38973.
It is an arithmetic number, because the mean of its divisors is an integer number (4507230).
Almost surely, 2123203223 is an apocalyptic number.
123203223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
123203223 is a deficient number, since it is larger than the sum of its proper divisors (93143817).
123203223 is a wasteful number, since it uses less digits than its factorization.
123203223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3360 (or 3357 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 123203223 is about 11099.6947255319. The cubic root of 123203223 is about 497.5927259972.
Adding to 123203223 its reverse (322302321), we get a palindrome (445505544).
The spelling of 123203223 in words is "one hundred twenty-three million, two hundred three thousand, two hundred twenty-three".
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