Base | Representation |
---|---|
bin | 1110101010101… |
… | …01001010011111 |
3 | 22120111200111000 |
4 | 13111111022133 |
5 | 222444012343 |
6 | 20113001343 |
7 | 3022520346 |
oct | 725251237 |
9 | 276450430 |
10 | 123032223 |
11 | 634a2a26 |
12 | 35253253 |
13 | 1c649142 |
14 | 124a8b5d |
15 | ac03ed3 |
hex | 755529f |
123032223 has 16 divisors (see below), whose sum is σ = 182594560. Its totient is φ = 81875448.
The previous prime is 123032219. The next prime is 123032251. The reversal of 123032223 is 322230321.
It is a happy number.
It is not a de Polignac number, because 123032223 - 22 = 123032219 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123032196 and 123032205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123032293) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12636 + ... + 20142.
It is an arithmetic number, because the mean of its divisors is an integer number (11412160).
Almost surely, 2123032223 is an apocalyptic number.
123032223 is a deficient number, since it is larger than the sum of its proper divisors (59562337).
123032223 is an equidigital number, since it uses as much as digits as its factorization.
123032223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8123 (or 8117 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 123032223 is about 11091.9891363091. The cubic root of 123032223 is about 497.3624080163.
Adding to 123032223 its reverse (322230321), we get a palindrome (445262544).
The spelling of 123032223 in words is "one hundred twenty-three million, thirty-two thousand, two hundred twenty-three".
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