Base | Representation |
---|---|
bin | 10101100010101010… |
… | …011010101111010111 |
3 | 2012200222102000002111 |
4 | 111202222122233113 |
5 | 334332302420343 |
6 | 14343102451451 |
7 | 1446120542404 |
oct | 254252325727 |
9 | 65628360074 |
10 | 23130123223 |
11 | 989a395a19 |
12 | 4596293b87 |
13 | 224801ba5c |
14 | 1195cc12ab |
15 | 905964c9d |
hex | 562a9abd7 |
23130123223 has 4 divisors (see below), whose sum is σ = 23143787128. Its totient is φ = 23116459320.
The previous prime is 23130123187. The next prime is 23130123239. The reversal of 23130123223 is 32232103132.
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 23130123223 - 29 = 23130122711 is a prime.
It is a super-2 number, since 2×231301232232 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23130123194 and 23130123203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23130123283) 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, 6829413 + ... + 6832798.
It is an arithmetic number, because the mean of its divisors is an integer number (5785946782).
Almost surely, 223130123223 is an apocalyptic number.
23130123223 is a deficient number, since it is larger than the sum of its proper divisors (13663905).
23130123223 is a wasteful number, since it uses less digits than its factorization.
23130123223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13663904.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 23130123223 its reverse (32232103132), we get a palindrome (55362226355).
The spelling of 23130123223 in words is "twenty-three billion, one hundred thirty million, one hundred twenty-three thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •