824785423 has 16 divisors (see below), whose sum is σ = 1028934144. Its totient is φ = 642296160.

The previous prime is 824785399. The next prime is 824785441. The reversal of 824785423 is 324587428.

It is not a de Polignac number, because 824785423 - 2¹³ = 824777231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 824785423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (824785483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232086 + ... + 235612.

It is an arithmetic number, because the mean of its divisors is an integer number (64308384).

Almost surely, 2^824785423 is an apocalyptic number.

824785423 is a deficient number, since it is larger than the sum of its proper divisors (204148721).

824785423 is a wasteful number, since it uses less digits than its factorization.

824785423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6582.

The product of its digits is 430080, while the sum is 43.

The square root of 824785423 is about 28719.0776836583. The cubic root of 824785423 is about 937.8074077643.

The spelling of 824785423 in words is "eight hundred twenty-four million, seven hundred eighty-five thousand, four hundred twenty-three".