Base | Representation |
---|---|
bin | 1110101100101… |
… | …11010001101111 |
3 | 22121000102221122 |
4 | 13112113101233 |
5 | 223031144043 |
6 | 20122451155 |
7 | 3025026014 |
oct | 726272157 |
9 | 277012848 |
10 | 123303023 |
11 | 63668428 |
12 | 35363abb |
13 | 1c71248c |
14 | 1253970b |
15 | ac59368 |
hex | 759746f |
123303023 has 12 divisors (see below), whose sum is σ = 136489248. Its totient is φ = 110996160.
The previous prime is 123303017. The next prime is 123303029. The reversal of 123303023 is 320303321.
It is an interprime number because it is at equal distance from previous prime (123303017) and next prime (123303029).
It is not a de Polignac number, because 123303023 - 212 = 123298927 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123302992 and 123303010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123303029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2138 + ... + 15848.
It is an arithmetic number, because the mean of its divisors is an integer number (11374104).
Almost surely, 2123303023 is an apocalyptic number.
123303023 is a deficient number, since it is larger than the sum of its proper divisors (13186225).
123303023 is a wasteful number, since it uses less digits than its factorization.
123303023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13774 (or 13751 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 17.
The square root of 123303023 is about 11104.1894346233. The cubic root of 123303023 is about 497.7270470266.
Adding to 123303023 its reverse (320303321), we get a palindrome (443606344).
The spelling of 123303023 in words is "one hundred twenty-three million, three hundred three thousand, twenty-three".
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