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23258143 is a prime number
BaseRepresentation
bin101100010111…
…0010000011111
31121202122011201
41120232100133
521423230033
62150300331
7401455666
oct130562037
947678151
1023258143
1112146207
1279576a7
134a8441c
143135ddd
15209647d
hex162e41f

23258143 has 2 divisors, whose sum is σ = 23258144. Its totient is φ = 23258142.

The previous prime is 23258119. The next prime is 23258161. The reversal of 23258143 is 34185232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23258143 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23258113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11629071 + 11629072.

It is an arithmetic number, because the mean of its divisors is an integer number (11629072).

Almost surely, 223258143 is an apocalyptic number.

23258143 is a deficient number, since it is larger than the sum of its proper divisors (1).

23258143 is an equidigital number, since it uses as much as digits as its factorization.

23258143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 23258143 is about 4822.6696963404. The cubic root of 23258143 is about 285.4466905126.

The spelling of 23258143 in words is "twenty-three million, two hundred fifty-eight thousand, one hundred forty-three".