13723718400 has 648 divisors, whose sum is σ = 56797968864. Its totient is φ = 3096576000.

The previous prime is 13723718389. The next prime is 13723718413. The reversal of 13723718400 is 481732731.

13723718400 is a `hidden beast` number, since 1 + 3 + 7 + 237 + 18 + 400 = 666.

13723718400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 71 ways as a sum of consecutive naturals, for example, 40723032 + ... + 40723368.

Almost surely, 2^13723718400 is an apocalyptic number.

13723718400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13723718400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28398984432).

13723718400 is an abundant number, since it is smaller than the sum of its proper divisors (43074250464).

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

13723718400 is a wasteful number, since it uses less digits than its factorization.

13723718400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 13723718400 in words is "thirteen billion, seven hundred twenty-three million, seven hundred eighteen thousand, four hundred".