285728688023 has 2 divisors, whose sum is σ = 285728688024. Its totient is φ = 285728688022.

The previous prime is 285728687963. The next prime is 285728688071. The reversal of 285728688023 is 320886827582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285728688023 - 2³² = 281433720727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285728688823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142864344011 + 142864344012.

It is an arithmetic number, because the mean of its divisors is an integer number (142864344012).

Almost surely, 2^285728688023 is an apocalyptic number.

285728688023 is a deficient number, since it is larger than the sum of its proper divisors (1).

285728688023 is an equidigital number, since it uses as much as digits as its factorization.

285728688023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20643840, while the sum is 59.

The spelling of 285728688023 in words is "two hundred eighty-five billion, seven hundred twenty-eight million, six hundred eighty-eight thousand, twenty-three".