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230443253 is a prime number
BaseRepresentation
bin11011011110001…
…00100011110101
3121001121201201022
431233010203311
5432443141003
634511110525
75465510135
oct1557044365
9531551638
10230443253
11109096477
1265212445
1338985c71
1422868ac5
151536e738
hexdbc48f5

230443253 has 2 divisors, whose sum is σ = 230443254. Its totient is φ = 230443252.

The previous prime is 230443231. The next prime is 230443259. The reversal of 230443253 is 352344032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205262929 + 25180324 = 14327^2 + 5018^2 .

It is a cyclic number.

It is not a de Polignac number, because 230443253 - 210 = 230442229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230443259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115221626 + 115221627.

It is an arithmetic number, because the mean of its divisors is an integer number (115221627).

Almost surely, 2230443253 is an apocalyptic number.

It is an amenable number.

230443253 is a deficient number, since it is larger than the sum of its proper divisors (1).

230443253 is an equidigital number, since it uses as much as digits as its factorization.

230443253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 230443253 is about 15180.3574727343. The cubic root of 230443253 is about 613.0859059935.

Adding to 230443253 its reverse (352344032), we get a palindrome (582787285).

The spelling of 230443253 in words is "two hundred thirty million, four hundred forty-three thousand, two hundred fifty-three".