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230542223 is a prime number
BaseRepresentation
bin11011011110111…
…00101110001111
3121001210202110212
431233130232033
5433004322343
634513153035
75466401522
oct1557345617
9531722425
10230542223
1110915386a
126525b77b
13389bc022
1422892bb9
151538dc18
hexdbdcb8f

230542223 has 2 divisors, whose sum is σ = 230542224. Its totient is φ = 230542222.

The previous prime is 230542189. The next prime is 230542237. The reversal of 230542223 is 322245032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230542223 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230545223) 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, 115271111 + 115271112.

It is an arithmetic number, because the mean of its divisors is an integer number (115271112).

Almost surely, 2230542223 is an apocalyptic number.

230542223 is a deficient number, since it is larger than the sum of its proper divisors (1).

230542223 is an equidigital number, since it uses as much as digits as its factorization.

230542223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 230542223 is about 15183.6169274649. The cubic root of 230542223 is about 613.1736621286.

Adding to 230542223 its reverse (322245032), we get a palindrome (552787255).

The spelling of 230542223 in words is "two hundred thirty million, five hundred forty-two thousand, two hundred twenty-three".