Base | Representation |
---|---|
bin | 101011111001… |
… | …0011100000011 |
3 | 1121022012001220 |
4 | 1113302130003 |
5 | 21342404443 |
6 | 2141130123 |
7 | 366415440 |
oct | 127623403 |
9 | 47265056 |
10 | 23013123 |
11 | 11a99111 |
12 | 7859943 |
13 | 49c9a43 |
14 | 30b09c7 |
15 | 2048a83 |
hex | 15f2703 |
23013123 has 32 divisors (see below), whose sum is σ = 37271040. Its totient is φ = 12337920.
The previous prime is 23013119. The next prime is 23013131. The reversal of 23013123 is 32131032.
23013123 = T97 + T98 + ... + T517.
It is not a de Polignac number, because 23013123 - 22 = 23013119 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23013103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54453 + ... + 54873.
It is an arithmetic number, because the mean of its divisors is an integer number (1164720).
Almost surely, 223013123 is an apocalyptic number.
23013123 is a deficient number, since it is larger than the sum of its proper divisors (14257917).
23013123 is a wasteful number, since it uses less digits than its factorization.
23013123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 587.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 23013123 is about 4797.1994955390. The cubic root of 23013123 is about 284.4407747544.
Adding to 23013123 its reverse (32131032), we get a palindrome (55144155).
The spelling of 23013123 in words is "twenty-three million, thirteen thousand, one hundred twenty-three".
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