285435446023 has 32 divisors (see below), whose sum is σ = 375142440960. Its totient is φ = 211017502080.

The previous prime is 285435446011. The next prime is 285435446039. The reversal of 285435446023 is 320644534582.

It is a de Polignac number, because none of the positive numbers 2^k-285435446023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285435447023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1662715 + ... + 1826332.

It is an arithmetic number, because the mean of its divisors is an integer number (11723201280).

Almost surely, 2^285435446023 is an apocalyptic number.

285435446023 is a deficient number, since it is larger than the sum of its proper divisors (89706994937).

285435446023 is a wasteful number, since it uses less digits than its factorization.

285435446023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489127.

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 285435446023 in words is "two hundred eighty-five billion, four hundred thirty-five million, four hundred forty-six thousand, twenty-three".