823641724483 has 4 divisors (see below), whose sum is σ = 823695526888. Its totient is φ = 823587922080.

The previous prime is 823641724469. The next prime is 823641724501. The reversal of 823641724483 is 384427146328.

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 823641724483 - 2²⁵ = 823608170051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 823641724483.

It is not an unprimeable number, because it can be changed into a prime (823641724463) 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, 26878233 + ... + 26908858.

It is an arithmetic number, because the mean of its divisors is an integer number (205923881722).

Almost surely, 2^823641724483 is an apocalyptic number.

823641724483 is a deficient number, since it is larger than the sum of its proper divisors (53802405).

823641724483 is a wasteful number, since it uses less digits than its factorization.

823641724483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53802404.

The product of its digits is 6193152, while the sum is 52.

The spelling of 823641724483 in words is "eight hundred twenty-three billion, six hundred forty-one million, seven hundred twenty-four thousand, four hundred eighty-three".