285497310223 has 2 divisors, whose sum is σ = 285497310224. Its totient is φ = 285497310222.

The previous prime is 285497310179. The next prime is 285497310229. The reversal of 285497310223 is 322013794582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285497310223 - 2³³ = 276907375631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285497310229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142748655111 + 142748655112.

It is an arithmetic number, because the mean of its divisors is an integer number (142748655112).

Almost surely, 2^285497310223 is an apocalyptic number.

285497310223 is a deficient number, since it is larger than the sum of its proper divisors (1).

285497310223 is an equidigital number, since it uses as much as digits as its factorization.

285497310223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 285497310223 in words is "two hundred eighty-five billion, four hundred ninety-seven million, three hundred ten thousand, two hundred twenty-three".