8243523508 has 24 divisors (see below), whose sum is σ = 15743185920. Its totient is φ = 3745734720.

The previous prime is 8243523493. The next prime is 8243523517. The reversal of 8243523508 is 8053253428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99085 + ... + 162187.

It is an arithmetic number, because the mean of its divisors is an integer number (655966080).

Almost surely, 2^8243523508 is an apocalyptic number.

It is an amenable number.

8243523508 is a deficient number, since it is larger than the sum of its proper divisors (7499662412).

8243523508 is a wasteful number, since it uses less digits than its factorization.

8243523508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66087 (or 66085 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 8243523508 is about 90793.8517081416. The cubic root of 8243523508 is about 2020.0911232298.

The spelling of 8243523508 in words is "eight billion, two hundred forty-three million, five hundred twenty-three thousand, five hundred eight".