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223430353 is a prime number
BaseRepresentation
bin11010101000101…
…00011011010001
3120120102102211021
431110110123101
5424144232403
634100515441
75352061306
oct1524243321
9516372737
10223430353
11105136593
12629abb81
133739bc13
14219610ad
15149368bd
hexd5146d1

223430353 has 2 divisors, whose sum is σ = 223430354. Its totient is φ = 223430352.

The previous prime is 223430341. The next prime is 223430359. The reversal of 223430353 is 353034322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219869584 + 3560769 = 14828^2 + 1887^2 .

It is a cyclic number.

It is not a de Polignac number, because 223430353 - 221 = 221333201 is a prime.

It is a super-2 number, since 2×2234303532 = 99842245283409218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223430359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111715176 + 111715177.

It is an arithmetic number, because the mean of its divisors is an integer number (111715177).

Almost surely, 2223430353 is an apocalyptic number.

It is an amenable number.

223430353 is a deficient number, since it is larger than the sum of its proper divisors (1).

223430353 is an equidigital number, since it uses as much as digits as its factorization.

223430353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 25.

The square root of 223430353 is about 14947.5868620992. The cubic root of 223430353 is about 606.8025407466.

Adding to 223430353 its reverse (353034322), we get a palindrome (576464675).

The spelling of 223430353 in words is "two hundred twenty-three million, four hundred thirty thousand, three hundred fifty-three".