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223243 is a prime number
BaseRepresentation
bin110110100000001011
3102100020021
4312200023
524120433
64441311
71616566
oct664013
9370207
10223243
111427a9
12a9237
137a7c7
145b4dd
154622d
hex3680b

223243 has 2 divisors, whose sum is σ = 223244. Its totient is φ = 223242.

The previous prime is 223241. The next prime is 223247. The reversal of 223243 is 342322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223243 - 21 = 223241 is a prime.

It is a super-3 number, since 3×2232433 = 33377576877389721, which contains 333 as substring.

Together with 223241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (223241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111621 + 111622.

It is an arithmetic number, because the mean of its divisors is an integer number (111622).

2223243 is an apocalyptic number.

223243 is a deficient number, since it is larger than the sum of its proper divisors (1).

223243 is an equidigital number, since it uses as much as digits as its factorization.

223243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 16.

The square root of 223243 is about 472.4859786279. The cubic root of 223243 is about 60.6632885988.

Adding to 223243 its reverse (342322), we get a palindrome (565565).

The spelling of 223243 in words is "two hundred twenty-three thousand, two hundred forty-three", and thus it is an iban number.