13523420005 has 8 divisors (see below), whose sum is σ = 16751591424. Its totient is φ = 10469744400.

The previous prime is 13523419999. The next prime is 13523420011. The reversal of 13523420005 is 50002432531.

It is an interprime number because it is at equal distance from previous prime (13523419999) and next prime (13523420011).

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

It is not a de Polignac number, because 13523420005 - 2²¹ = 13521322853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43623781 + ... + 43624090.

It is an arithmetic number, because the mean of its divisors is an integer number (2093948928).

Almost surely, 2^13523420005 is an apocalyptic number.

It is an amenable number.

13523420005 is a deficient number, since it is larger than the sum of its proper divisors (3228171419).

13523420005 is an equidigital number, since it uses as much as digits as its factorization.

13523420005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87247907.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 13523420005 its reverse (50002432531), we get a palindrome (63525852536).

The spelling of 13523420005 in words is "thirteen billion, five hundred twenty-three million, four hundred twenty thousand, five".