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230216443 is a prime number
BaseRepresentation
bin11011011100011…
…01001011111011
3121001012012120221
431232031023323
5432413411233
634502200511
75463543652
oct1556151373
9531165527
10230216443
11108a51026
1265123137
1338906962
142280a199
151532742d
hexdb8d2fb

230216443 has 2 divisors, whose sum is σ = 230216444. Its totient is φ = 230216442.

The previous prime is 230216423. The next prime is 230216461. The reversal of 230216443 is 344612032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230216443 - 25 = 230216411 is a prime.

It is a super-2 number, since 2×2302164432 = 105999221255144498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230216423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115108221 + 115108222.

It is an arithmetic number, because the mean of its divisors is an integer number (115108222).

Almost surely, 2230216443 is an apocalyptic number.

230216443 is a deficient number, since it is larger than the sum of its proper divisors (1).

230216443 is an equidigital number, since it uses as much as digits as its factorization.

230216443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 230216443 is about 15172.8851244580. The cubic root of 230216443 is about 612.8847000451.

Adding to 230216443 its reverse (344612032), we get a palindrome (574828475).

The spelling of 230216443 in words is "two hundred thirty million, two hundred sixteen thousand, four hundred forty-three".