Base | Representation |
---|---|
bin | 110001101011… |
… | …100010111111 |
3 | 220111122210000 |
4 | 301223202333 |
5 | 11313222143 |
6 | 1143045343 |
7 | 215461110 |
oct | 61534277 |
9 | 26448700 |
10 | 13023423 |
11 | 7395766 |
12 | 4440853 |
13 | 290ca8a |
14 | 1a30207 |
15 | 1223bd3 |
hex | c6b8bf |
13023423 has 40 divisors (see below), whose sum is σ = 22550528. Its totient is φ = 7336656.
The previous prime is 13023421. The next prime is 13023427. The reversal of 13023423 is 32432031.
13023423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13023423 - 21 = 13023421 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13023396 and 13023405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13023421) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 58290 + ... + 58512.
Almost surely, 213023423 is an apocalyptic number.
13023423 is a deficient number, since it is larger than the sum of its proper divisors (9527105).
13023423 is a wasteful number, since it uses less digits than its factorization.
13023423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 345 (or 336 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 13023423 is about 3608.7979993344. The cubic root of 13023423 is about 235.2746027921.
Adding to 13023423 its reverse (32432031), we get a palindrome (45455454).
The spelling of 13023423 in words is "thirteen million, twenty-three thousand, four hundred twenty-three".
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