Base | Representation |
---|---|
bin | 111001010010010111… |
… | …1111111111101001011 |
3 | 102202112200201112211122 |
4 | 1302210233333331023 |
5 | 4003422410133233 |
6 | 132303244345455 |
7 | 11613425232533 |
oct | 1624457777513 |
9 | 382480645748 |
10 | 123023130443 |
11 | 481a0393834 |
12 | 1ba1424528b |
13 | b7a7609b55 |
14 | 5d50a504c3 |
15 | 33005b7d98 |
hex | 1ca4bfff4b |
123023130443 has 4 divisors (see below), whose sum is σ = 123023833800. Its totient is φ = 123022427088.
The previous prime is 123023130431. The next prime is 123023130463. The reversal of 123023130443 is 344031320321.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 123023130443 - 26 = 123023130379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123023130403) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137471 + ... + 514727.
It is an arithmetic number, because the mean of its divisors is an integer number (30755958450).
Almost surely, 2123023130443 is an apocalyptic number.
123023130443 is a deficient number, since it is larger than the sum of its proper divisors (703357).
123023130443 is an equidigital number, since it uses as much as digits as its factorization.
123023130443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 703356.
The product of its (nonzero) digits is 5184, while the sum is 26.
Adding to 123023130443 its reverse (344031320321), we get a palindrome (467054450764).
The spelling of 123023130443 in words is "one hundred twenty-three billion, twenty-three million, one hundred thirty thousand, four hundred forty-three".
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