Base | Representation |
---|---|
bin | 101100000101… |
… | …0110110100011 |
3 | 1121111021020121 |
4 | 1120022312203 |
5 | 21404104443 |
6 | 2143221111 |
7 | 400313125 |
oct | 130126643 |
9 | 47437217 |
10 | 23113123 |
11 | 12057260 |
12 | 78a7797 |
13 | 4a33407 |
14 | 30d9215 |
15 | 20684ed |
hex | 160ada3 |
23113123 has 16 divisors (see below), whose sum is σ = 26183520. Its totient is φ = 20217600.
The previous prime is 23113121. The next prime is 23113147. The reversal of 23113123 is 32131132.
It is a cyclic number.
It is not a de Polignac number, because 23113123 - 21 = 23113121 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23113097 and 23113106.
It is not an unprimeable number, because it can be changed into a prime (23113121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44103 + ... + 44623.
It is an arithmetic number, because the mean of its divisors is an integer number (1636470).
Almost surely, 223113123 is an apocalyptic number.
23113123 is a deficient number, since it is larger than the sum of its proper divisors (3070397).
23113123 is a wasteful number, since it uses less digits than its factorization.
23113123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 678.
The product of its digits is 108, while the sum is 16.
The square root of 23113123 is about 4807.6109451577. The cubic root of 23113123 is about 284.8521773681.
Adding to 23113123 its reverse (32131132), we get a palindrome (55244255).
Subtracting 23113123 from its reverse (32131132), we obtain a square (9018009 = 30032).
The spelling of 23113123 in words is "twenty-three million, one hundred thirteen thousand, one hundred twenty-three".
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