318523324493 has 8 divisors (see below), whose sum is σ = 355955112576. Its totient is φ = 282504056800.

The previous prime is 318523324489. The next prime is 318523324507. The reversal of 318523324493 is 394423325813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 318523324493 - 2² = 318523324489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318523324993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353129621 + ... + 353130522.

It is an arithmetic number, because the mean of its divisors is an integer number (44494389072).

Almost surely, 2^318523324493 is an apocalyptic number.

It is an amenable number.

318523324493 is a deficient number, since it is larger than the sum of its proper divisors (37431788083).

318523324493 is a wasteful number, since it uses less digits than its factorization.

318523324493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706260195.

The product of its digits is 1866240, while the sum is 47.

The spelling of 318523324493 in words is "three hundred eighteen billion, five hundred twenty-three million, three hundred twenty-four thousand, four hundred ninety-three".