Base | Representation |
---|---|
bin | 101100111010… |
… | …0011001001111 |
3 | 1122022020020201 |
4 | 1121310121033 |
5 | 22011423143 |
6 | 2200354331 |
7 | 404063356 |
oct | 131643117 |
9 | 48266221 |
10 | 23545423 |
11 | 12322030 |
12 | 7a759a7 |
13 | 4b55105 |
14 | 31ac99d |
15 | 210164d |
hex | 167464f |
23545423 has 8 divisors (see below), whose sum is σ = 25941456. Its totient is φ = 21192000.
The previous prime is 23545393. The next prime is 23545429. The reversal of 23545423 is 32454532.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23545423 - 217 = 23414351 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23545391 and 23545400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23545429) 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, 9486 + ... + 11707.
It is an arithmetic number, because the mean of its divisors is an integer number (3242682).
Almost surely, 223545423 is an apocalyptic number.
23545423 is a deficient number, since it is larger than the sum of its proper divisors (2396033).
23545423 is a wasteful number, since it uses less digits than its factorization.
23545423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21305.
The product of its digits is 14400, while the sum is 28.
The square root of 23545423 is about 4852.3626204149. The cubic root of 23545423 is about 286.6171450121.
Adding to 23545423 its reverse (32454532), we get a palindrome (55999955).
It can be divided in two parts, 2354 and 5423, that added together give a palindrome (7777).
The spelling of 23545423 in words is "twenty-three million, five hundred forty-five thousand, four hundred twenty-three".
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