Base | Representation |
---|---|
bin | 111001011000100011… |
… | …0010101101011110011 |
3 | 102210002010120112011012 |
4 | 1302301012111223303 |
5 | 4004333430010303 |
6 | 132340005141135 |
7 | 11621522244104 |
oct | 1626106255363 |
9 | 383063515135 |
10 | 123230313203 |
11 | 48297332258 |
12 | 1ba716ba7ab |
13 | b80b50a5ba |
14 | 5d703823ab |
15 | 33138905d8 |
hex | 1cb1195af3 |
123230313203 has 4 divisors (see below), whose sum is σ = 123233436168. Its totient is φ = 123227190240.
The previous prime is 123230313187. The next prime is 123230313233. The reversal of 123230313203 is 302313032321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302313032321 = 4447 ⋅67981343.
It is a cyclic number.
It is not a de Polignac number, because 123230313203 - 24 = 123230313187 is a prime.
It is a super-2 number, since 2×1232303132032 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123230313233) 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, 1501526 + ... + 1581467.
It is an arithmetic number, because the mean of its divisors is an integer number (30808359042).
Almost surely, 2123230313203 is an apocalyptic number.
123230313203 is a deficient number, since it is larger than the sum of its proper divisors (3122965).
123230313203 is an equidigital number, since it uses as much as digits as its factorization.
123230313203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3122964.
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 123230313203 its reverse (302313032321), we get a palindrome (425543345524).
The spelling of 123230313203 in words is "one hundred twenty-three billion, two hundred thirty million, three hundred thirteen thousand, two hundred three".
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