13331603523 has 8 divisors (see below), whose sum is σ = 20314824448. Its totient is φ = 7618059144.

The previous prime is 13331603503. The next prime is 13331603531. The reversal of 13331603523 is 32530613331.

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

It is not a de Polignac number, because 13331603523 - 2⁵ = 13331603491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331603503) 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, 317419111 + ... + 317419152.

It is an arithmetic number, because the mean of its divisors is an integer number (2539353056).

Almost surely, 2^13331603523 is an apocalyptic number.

13331603523 is a deficient number, since it is larger than the sum of its proper divisors (6983220925).

13331603523 is an equidigital number, since it uses as much as digits as its factorization.

13331603523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634838273.

The product of its (nonzero) digits is 14580, while the sum is 30.

The spelling of 13331603523 in words is "thirteen billion, three hundred thirty-one million, six hundred three thousand, five hundred twenty-three".