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230043943 is a prime number
BaseRepresentation
bin11011011011000…
…11000100100111
3121000212102222001
431231203010213
5432342401233
634454350131
75462225023
oct1555430447
9530772861
10230043943
11108943468
126505b347
133887629c
14227a3383
15152e127d
hexdb63127

230043943 has 2 divisors, whose sum is σ = 230043944. Its totient is φ = 230043942.

The previous prime is 230043893. The next prime is 230043959. The reversal of 230043943 is 349340032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230043943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230043043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115021971 + 115021972.

It is an arithmetic number, because the mean of its divisors is an integer number (115021972).

Almost surely, 2230043943 is an apocalyptic number.

230043943 is a deficient number, since it is larger than the sum of its proper divisors (1).

230043943 is an equidigital number, since it uses as much as digits as its factorization.

230043943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 230043943 is about 15167.1995767182. The cubic root of 230043943 is about 612.7315846751.

Adding to 230043943 its reverse (349340032), we get a palindrome (579383975).

The spelling of 230043943 in words is "two hundred thirty million, forty-three thousand, nine hundred forty-three".