285880423 has 2 divisors, whose sum is σ = 285880424. Its totient is φ = 285880422.

The previous prime is 285880421. The next prime is 285880433. The reversal of 285880423 is 324088582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285880423 - 2¹ = 285880421 is a prime.

Together with 285880421, 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 (285880421) 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, 142940211 + 142940212.

It is an arithmetic number, because the mean of its divisors is an integer number (142940212).

Almost surely, 2^285880423 is an apocalyptic number.

285880423 is a deficient number, since it is larger than the sum of its proper divisors (1).

285880423 is an equidigital number, since it uses as much as digits as its factorization.

285880423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 285880423 is about 16907.9987875561. The cubic root of 285880423 is about 658.7613921675.

The spelling of 285880423 in words is "two hundred eighty-five million, eight hundred eighty thousand, four hundred twenty-three".