Base | Representation |
---|---|
bin | 101011111100… |
… | …1101100000111 |
3 | 1121100200210220 |
4 | 1113321230013 |
5 | 21344332243 |
6 | 2141515423 |
7 | 366601146 |
oct | 127715407 |
9 | 47320726 |
10 | 23042823 |
11 | 12009461 |
12 | 7872b73 |
13 | 4a0a40b |
14 | 30bb75d |
15 | 2052783 |
hex | 15f9b07 |
23042823 has 8 divisors (see below), whose sum is σ = 31554288. Its totient is φ = 14946624.
The previous prime is 23042819. The next prime is 23042869. The reversal of 23042823 is 32824032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23042823 - 22 = 23042819 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23042793 and 23042802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23042423) 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, 103686 + ... + 103907.
It is an arithmetic number, because the mean of its divisors is an integer number (3944286).
Almost surely, 223042823 is an apocalyptic number.
23042823 is a deficient number, since it is larger than the sum of its proper divisors (8511465).
23042823 is a wasteful number, since it uses less digits than its factorization.
23042823 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 207633.
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 23042823 is about 4800.2940534930. The cubic root of 23042823 is about 284.5630855394.
Adding to 23042823 its reverse (32824032), we get a palindrome (55866855).
The spelling of 23042823 in words is "twenty-three million, forty-two thousand, eight hundred twenty-three".
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