Base | Representation |
---|---|
bin | 101100000111… |
… | …0111110100111 |
3 | 1121112010102112 |
4 | 1120032332213 |
5 | 21410130043 |
6 | 2143431235 |
7 | 400413320 |
oct | 130167647 |
9 | 47463375 |
10 | 23130023 |
11 | 12068a24 |
12 | 78b551b |
13 | 4a3b007 |
14 | 3101447 |
15 | 206d518 |
hex | 160efa7 |
23130023 has 12 divisors (see below), whose sum is σ = 27384240. Its totient is φ = 19137216.
The previous prime is 23130007. The next prime is 23130067. The reversal of 23130023 is 32003132.
It is not a de Polignac number, because 23130023 - 24 = 23130007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23130073) 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, 3923 + ... + 7851.
It is an arithmetic number, because the mean of its divisors is an integer number (2282020).
Almost surely, 223130023 is an apocalyptic number.
23130023 is a deficient number, since it is larger than the sum of its proper divisors (4254217).
23130023 is an equidigital number, since it uses as much as digits as its factorization.
23130023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3994 (or 3965 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 23130023 is about 4809.3682537315. The cubic root of 23130023 is about 284.9215871281.
Adding to 23130023 its reverse (32003132), we get a palindrome (55133155).
The spelling of 23130023 in words is "twenty-three million, one hundred thirty thousand, twenty-three".
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