Base | Representation |
---|---|
bin | 1110101100001… |
… | …01011101000110 |
3 | 22120212201210220 |
4 | 13112011131012 |
5 | 223021330042 |
6 | 20121125210 |
7 | 3024303126 |
oct | 726053506 |
9 | 276781726 |
10 | 123230022 |
11 | 636185a3 |
12 | 35329806 |
13 | 1c6b8196 |
14 | 1251ac86 |
15 | ac428ec |
hex | 7585746 |
123230022 has 16 divisors (see below), whose sum is σ = 254410752. Its totient is φ = 39751560.
The previous prime is 123230011. The next prime is 123230027. The reversal of 123230022 is 220032321.
It is a junction number, because it is equal to n+sod(n) for n = 123229983 and 123230010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123230027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331078 + ... + 331449.
It is an arithmetic number, because the mean of its divisors is an integer number (15900672).
Almost surely, 2123230022 is an apocalyptic number.
123230022 is an abundant number, since it is smaller than the sum of its proper divisors (131180730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123230022 is a wasteful number, since it uses less digits than its factorization.
123230022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 662563.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 123230022 is about 11100.9018552548. The cubic root of 123230022 is about 497.6288019493.
Adding to 123230022 its reverse (220032321), we get a palindrome (343262343).
The spelling of 123230022 in words is "one hundred twenty-three million, two hundred thirty thousand, twenty-two".
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