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230944543 is a prime number
BaseRepresentation
bin11011100001111…
…10111100011111
3121002120012100121
431300332330133
5433110211133
634525535411
75502665464
oct1560767437
9532505317
10230944543
111093a9065
1265414567
1338b0019b
142295966b
151541d02d
hexdc3ef1f

230944543 has 2 divisors, whose sum is σ = 230944544. Its totient is φ = 230944542.

The previous prime is 230944531. The next prime is 230944559. The reversal of 230944543 is 345449032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230944543 is a prime.

It is a super-4 number, since 4×2309445434 (a number of 35 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230944499 and 230944508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230944583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115472271 + 115472272.

It is an arithmetic number, because the mean of its divisors is an integer number (115472272).

Almost surely, 2230944543 is an apocalyptic number.

230944543 is a deficient number, since it is larger than the sum of its proper divisors (1).

230944543 is an equidigital number, since it uses as much as digits as its factorization.

230944543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 230944543 is about 15196.8596427025. The cubic root of 230944543 is about 613.5301386451.

The spelling of 230944543 in words is "two hundred thirty million, nine hundred forty-four thousand, five hundred forty-three".