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285373423 is a prime number
BaseRepresentation
bin10001000000100…
…111001111101111
3201212222110202001
4101000213033233
51041023422143
644152313131
710033430326
oct2100471757
9655873661
10285373423
111370a4305
127b6a27a7
134717941a
1429c870bd
151a0c014d
hex110273ef

285373423 has 2 divisors, whose sum is σ = 285373424. Its totient is φ = 285373422.

The previous prime is 285373399. The next prime is 285373453. The reversal of 285373423 is 324373582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285373423 - 217 = 285242351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285373453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142686711 + 142686712.

It is an arithmetic number, because the mean of its divisors is an integer number (142686712).

Almost surely, 2285373423 is an apocalyptic number.

285373423 is a deficient number, since it is larger than the sum of its proper divisors (1).

285373423 is an equidigital number, since it uses as much as digits as its factorization.

285373423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 37.

The square root of 285373423 is about 16892.9992304505. Note that the first 3 decimals coincide. The cubic root of 285373423 is about 658.3717308089.

The spelling of 285373423 in words is "two hundred eighty-five million, three hundred seventy-three thousand, four hundred twenty-three".