285812323 has 2 divisors, whose sum is σ = 285812324. Its totient is φ = 285812322.

The previous prime is 285812321. The next prime is 285812333. The reversal of 285812323 is 323218582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285812323 - 2¹ = 285812321 is a prime.

Together with 285812321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (285812321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142906161 + 142906162.

It is an arithmetic number, because the mean of its divisors is an integer number (142906162).

Almost surely, 2^285812323 is an apocalyptic number.

285812323 is a deficient number, since it is larger than the sum of its proper divisors (1).

285812323 is an equidigital number, since it uses as much as digits as its factorization.

285812323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 285812323 is about 16905.9848278650. The cubic root of 285812323 is about 658.7090798370.

The spelling of 285812323 in words is "two hundred eighty-five million, eight hundred twelve thousand, three hundred twenty-three".