13257823318 has 8 divisors (see below), whose sum is σ = 19898295480. Its totient is φ = 6625058160.

The previous prime is 13257823307. The next prime is 13257823331. The reversal of 13257823318 is 81332875231.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922448 + ... + 1929331.

It is an arithmetic number, because the mean of its divisors is an integer number (2487286935).

Almost surely, 2^13257823318 is an apocalyptic number.

13257823318 is a deficient number, since it is larger than the sum of its proper divisors (6640472162).

13257823318 is a wasteful number, since it uses less digits than its factorization.

13257823318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853502.

The product of its digits is 241920, while the sum is 43.

The spelling of 13257823318 in words is "thirteen billion, two hundred fifty-seven million, eight hundred twenty-three thousand, three hundred eighteen".