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85223 is a prime number
BaseRepresentation
bin10100110011100111
311022220102
4110303213
510211343
61454315
7503315
oct246347
9138812
1085223
1159036
124139b
132ca38
14230b5
151a3b8
hex14ce7

85223 has 2 divisors, whose sum is σ = 85224. Its totient is φ = 85222.

The previous prime is 85213. The next prime is 85229. The reversal of 85223 is 32258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85223 - 26 = 85159 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 85195 and 85204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42611 + 42612.

It is an arithmetic number, because the mean of its divisors is an integer number (42612).

285223 is an apocalyptic number.

85223 is a deficient number, since it is larger than the sum of its proper divisors (1).

85223 is an equidigital number, since it uses as much as digits as its factorization.

85223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 20.

The square root of 85223 is about 291.9297860788. The cubic root of 85223 is about 44.0067138515.

The spelling of 85223 in words is "eighty-five thousand, two hundred twenty-three".