14717523420 has 144 divisors (see below), whose sum is σ = 47790532608. Its totient is φ = 3798031680.

The previous prime is 14717523419. The next prime is 14717523439. The reversal of 14717523420 is 2432571741.

14717523420 is a `hidden beast` number, since 1 + 47 + 175 + 23 + 420 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101817 + ... + 199503.

Almost surely, 2^14717523420 is an apocalyptic number.

14717523420 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 14717523420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23895266304).

14717523420 is an abundant number, since it is smaller than the sum of its proper divisors (33073009188).

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

14717523420 is a wasteful number, since it uses less digits than its factorization.

14717523420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97742 (or 97728 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 14717523420 in words is "fourteen billion, seven hundred seventeen million, five hundred twenty-three thousand, four hundred twenty".