824664442323 has 4 divisors (see below), whose sum is σ = 1099552589768. Its totient is φ = 549776294880.

The previous prime is 824664442321. The next prime is 824664442333. The reversal of 824664442323 is 323244466428.

It is a happy number.

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

It is not a de Polignac number, because 824664442323 - 2¹ = 824664442321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (824664442321) 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, 137444073718 + ... + 137444073723.

It is an arithmetic number, because the mean of its divisors is an integer number (274888147442).

Almost surely, 2^824664442323 is an apocalyptic number.

824664442323 is a deficient number, since it is larger than the sum of its proper divisors (274888147445).

824664442323 is a wasteful number, since it uses less digits than its factorization.

824664442323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274888147444.

The product of its digits is 5308416, while the sum is 48.

The spelling of 824664442323 in words is "eight hundred twenty-four billion, six hundred sixty-four million, four hundred forty-two thousand, three hundred twenty-three".