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199022123 is a prime number
BaseRepresentation
bin10111101110011…
…01011000101011
3111212111101000202
423313031120223
5401422201443
631425422415
74634442266
oct1367153053
9455441022
10199022123
11a23852a3
125679aa0b
1332304191
141c609cdd
15127147b8
hexbdcd62b

199022123 has 2 divisors, whose sum is σ = 199022124. Its totient is φ = 199022122.

The previous prime is 199022107. The next prime is 199022147. The reversal of 199022123 is 321220991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199022123 - 24 = 199022107 is a prime.

It is not a weakly prime, because it can be changed into another prime (199022183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99511061 + 99511062.

It is an arithmetic number, because the mean of its divisors is an integer number (99511062).

Almost surely, 2199022123 is an apocalyptic number.

199022123 is a deficient number, since it is larger than the sum of its proper divisors (1).

199022123 is an equidigital number, since it uses as much as digits as its factorization.

199022123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 199022123 is about 14107.5200868189. The cubic root of 199022123 is about 583.8488801376.

The spelling of 199022123 in words is "one hundred ninety-nine million, twenty-two thousand, one hundred twenty-three".