Base | Representation |
---|---|
bin | 1100111111001100101… |
… | …1000111110100111110 |
3 | 210022220211111102221110 |
4 | 3033303023013310332 |
5 | 12123424004024410 |
6 | 250300142342450 |
7 | 22056125103315 |
oct | 3176313076476 |
9 | 708824442843 |
10 | 223123111230 |
11 | 866981a7988 |
12 | 372ab58aa26 |
13 | 1806aa54406 |
14 | ab2909927c |
15 | 5c0d4a1720 |
hex | 33f32c7d3e |
223123111230 has 32 divisors (see below), whose sum is σ = 543487941504. Its totient is φ = 58611443616.
The previous prime is 223123111229. The next prime is 223123111231. The reversal of 223123111230 is 32111321322.
It is an interprime number because it is at equal distance from previous prime (223123111229) and next prime (223123111231).
It is a super-3 number, since 3×2231231112303 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 223123111197 and 223123111206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223123111231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55501252 + ... + 55505271.
It is an arithmetic number, because the mean of its divisors is an integer number (16983998172).
Almost surely, 2223123111230 is an apocalyptic number.
223123111230 is an abundant number, since it is smaller than the sum of its proper divisors (320364830274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223123111230 is a wasteful number, since it uses less digits than its factorization.
223123111230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111006600.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 223123111230 its reverse (32111321322), we get a palindrome (255234432552).
The spelling of 223123111230 in words is "two hundred twenty-three billion, one hundred twenty-three million, one hundred eleven thousand, two hundred thirty".
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