Base | Representation |
---|---|
bin | 101100000111… |
… | …1000111111111 |
3 | 1121112011020202 |
4 | 1120033013333 |
5 | 21410134443 |
6 | 2143434115 |
7 | 400415135 |
oct | 130170777 |
9 | 47464222 |
10 | 23130623 |
11 | 1206941a |
12 | 78b593b |
13 | 4a3b379 |
14 | 3101755 |
15 | 206d7b8 |
hex | 160f1ff |
23130623 has 2 divisors, whose sum is σ = 23130624. Its totient is φ = 23130622.
The previous prime is 23130553. The next prime is 23130643. The reversal of 23130623 is 32603132.
It is an a-pointer prime, because the next prime (23130643) can be obtained adding 23130623 to its sum of digits (20).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23130623 - 214 = 23114239 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23130595 and 23130604.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23130643) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565311 + 11565312.
It is an arithmetic number, because the mean of its divisors is an integer number (11565312).
Almost surely, 223130623 is an apocalyptic number.
23130623 is a deficient number, since it is larger than the sum of its proper divisors (1).
23130623 is an equidigital number, since it uses as much as digits as its factorization.
23130623 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 23130623 is about 4809.4306315821. The cubic root of 23130623 is about 284.9240507584.
Adding to 23130623 its reverse (32603132), we get a palindrome (55733755).
The spelling of 23130623 in words is "twenty-three million, one hundred thirty thousand, six hundred twenty-three".
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