13423848820 has 24 divisors (see below), whose sum is σ = 28576251144. Its totient is φ = 5295983616.

The previous prime is 13423848797. The next prime is 13423848857. The reversal of 13423848820 is 2884832431.

13423848820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3593522916 + 9830325904 = 59946^2 + 99148^2 .

It is a congruent number.

It is an unprimeable number.

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, 4595749 + ... + 4598668.

It is an arithmetic number, because the mean of its divisors is an integer number (1190677131).

Almost surely, 2^13423848820 is an apocalyptic number.

13423848820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13423848820 is an abundant number, since it is smaller than the sum of its proper divisors (15152402324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13423848820 is a wasteful number, since it uses less digits than its factorization.

13423848820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194499 (or 9194497 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 43.

The spelling of 13423848820 in words is "thirteen billion, four hundred twenty-three million, eight hundred forty-eight thousand, eight hundred twenty".