13423747472 has 20 divisors (see below), whose sum is σ = 26847495936. Its totient is φ = 6495361440.

The previous prime is 13423747457. The next prime is 13423747487. The reversal of 13423747472 is 27474732431.

It is an interprime number because it is at equal distance from previous prime (13423747457) and next prime (13423747487).

13423747472 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13531508 + ... + 13532499.

Almost surely, 2^13423747472 is an apocalyptic number.

It is an amenable number.

13423747472 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13423747472 is a wasteful number, since it uses less digits than its factorization.

13423747472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27064046 (or 27064040 counting only the distinct ones).

The product of its digits is 790272, while the sum is 44.

The spelling of 13423747472 in words is "thirteen billion, four hundred twenty-three million, seven hundred forty-seven thousand, four hundred seventy-two".