285343023 has 24 divisors (see below), whose sum is σ = 448193280. Its totient is φ = 160982640.

The previous prime is 285343013. The next prime is 285343033. The reversal of 285343023 is 320343582.

It is an interprime number because it is at equal distance from previous prime (285343013) and next prime (285343033).

It is not a de Polignac number, because 285343023 - 2⁸ = 285342767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285343013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 673 + ... + 23898.

It is an arithmetic number, because the mean of its divisors is an integer number (18674720).

Almost surely, 2^285343023 is an apocalyptic number.

285343023 is a deficient number, since it is larger than the sum of its proper divisors (162850257).

285343023 is a wasteful number, since it uses less digits than its factorization.

285343023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24667 (or 24660 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 285343023 is about 16892.0994254711. The cubic root of 285343023 is about 658.3483518374.

The spelling of 285343023 in words is "two hundred eighty-five million, three hundred forty-three thousand, twenty-three".