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23171857883 is a prime number
BaseRepresentation
bin10101100101001001…
…100111110111011011
32012210212221100021122
4111211021213313123
5334423443423013
614351153155455
71450135353656
oct254511476733
965725840248
1023171857883
119910a00879
1245a825bb8b
132253872015
14119b66689d
1590945aa08
hex565267ddb

23171857883 has 2 divisors, whose sum is σ = 23171857884. Its totient is φ = 23171857882.

The previous prime is 23171857867. The next prime is 23171857889. The reversal of 23171857883 is 38875817132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23171857883 - 24 = 23171857867 is a prime.

It is not a weakly prime, because it can be changed into another prime (23171857889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11585928941 + 11585928942.

It is an arithmetic number, because the mean of its divisors is an integer number (11585928942).

Almost surely, 223171857883 is an apocalyptic number.

23171857883 is a deficient number, since it is larger than the sum of its proper divisors (1).

23171857883 is an equidigital number, since it uses as much as digits as its factorization.

23171857883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 53.

The spelling of 23171857883 in words is "twenty-three billion, one hundred seventy-one million, eight hundred fifty-seven thousand, eight hundred eighty-three".