Base | Representation |
---|---|
bin | 111111010001100… |
… | …0110010111010011 |
3 | 12110222001012021102 |
4 | 1332203012113103 |
5 | 13322010132243 |
6 | 550402015015 |
7 | 103420211216 |
oct | 17643062723 |
9 | 5428035242 |
10 | 2123130323 |
11 | 99a4a7266 |
12 | 4b304746b |
13 | 27ab29042 |
14 | 161d8b77d |
15 | c65d59b8 |
hex | 7e8c65d3 |
2123130323 has 4 divisors (see below), whose sum is σ = 2248020360. Its totient is φ = 1998240288.
The previous prime is 2123130313. The next prime is 2123130329. The reversal of 2123130323 is 3230313212.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2123130323 - 24 = 2123130307 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2123130295 and 2123130304.
It is not an unprimeable number, because it can be changed into a prime (2123130329) 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, 62444993 + ... + 62445026.
It is an arithmetic number, because the mean of its divisors is an integer number (562005090).
Almost surely, 22123130323 is an apocalyptic number.
2123130323 is a deficient number, since it is larger than the sum of its proper divisors (124890037).
2123130323 is a wasteful number, since it uses less digits than its factorization.
2123130323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124890036.
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 2123130323 is about 46077.4383294037. The cubic root of 2123130323 is about 1285.2636285302.
Adding to 2123130323 its reverse (3230313212), we get a palindrome (5353443535).
The spelling of 2123130323 in words is "two billion, one hundred twenty-three million, one hundred thirty thousand, three hundred twenty-three".
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