13623141521 has 8 divisors (see below), whose sum is σ = 15065193504. Its totient is φ = 12215020320.

The previous prime is 13623141503. The next prime is 13623141541. The reversal of 13623141521 is 12514132631.

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

It is a cyclic number.

It is not a de Polignac number, because 13623141521 - 2⁶ = 13623141457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13623141541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8481851 + ... + 8483456.

It is an arithmetic number, because the mean of its divisors is an integer number (1883149188).

Almost surely, 2^13623141521 is an apocalyptic number.

13623141521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13623141521 is a deficient number, since it is larger than the sum of its proper divisors (1442051983).

13623141521 is a wasteful number, since it uses less digits than its factorization.

13623141521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16965391.

The product of its digits is 4320, while the sum is 29.

The spelling of 13623141521 in words is "thirteen billion, six hundred twenty-three million, one hundred forty-one thousand, five hundred twenty-one".