285272349423 has 4 divisors (see below), whose sum is σ = 380363132568. Its totient is φ = 190181566280.

The previous prime is 285272349377. The next prime is 285272349431. The reversal of 285272349423 is 324943272582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 285272349423 - 2⁶ = 285272349359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285272349223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47545391568 + ... + 47545391573.

It is an arithmetic number, because the mean of its divisors is an integer number (95090783142).

Almost surely, 2^285272349423 is an apocalyptic number.

285272349423 is a deficient number, since it is larger than the sum of its proper divisors (95090783145).

285272349423 is an equidigital number, since it uses as much as digits as its factorization.

285272349423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95090783144.

The product of its digits is 5806080, while the sum is 51.

The spelling of 285272349423 in words is "two hundred eighty-five billion, two hundred seventy-two million, three hundred forty-nine thousand, four hundred twenty-three".