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23105983 is a prime number
BaseRepresentation
bin101100000100…
…1000110111111
31121110220110011
41120021012333
521403342413
62143124051
7400253245
oct130110677
947426404
1023105983
111205195a
1278a3627
134a300a4
1430d6795
15206633d
hex16091bf

23105983 has 2 divisors, whose sum is σ = 23105984. Its totient is φ = 23105982.

The previous prime is 23105981. The next prime is 23106029. The reversal of 23105983 is 38950132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23105983 - 21 = 23105981 is a prime.

Together with 23105981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23105981) 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, 11552991 + 11552992.

It is an arithmetic number, because the mean of its divisors is an integer number (11552992).

Almost surely, 223105983 is an apocalyptic number.

23105983 is a deficient number, since it is larger than the sum of its proper divisors (1).

23105983 is an equidigital number, since it uses as much as digits as its factorization.

23105983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 23105983 is about 4806.8683152339. The cubic root of 23105983 is about 284.8228426043.

The spelling of 23105983 in words is "twenty-three million, one hundred five thousand, nine hundred eighty-three".