13616203523 has 4 divisors (see below), whose sum is σ = 14663603808. Its totient is φ = 12568803240.

The previous prime is 13616203507. The next prime is 13616203543. The reversal of 13616203523 is 32530261631.

13616203523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13616203523 - 2⁴ = 13616203507 is a prime.

It is a super-2 number, since 2×13616203523² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13616203523.

It is not an unprimeable number, because it can be changed into a prime (13616203543) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 523700123 + ... + 523700148.

It is an arithmetic number, because the mean of its divisors is an integer number (3665900952).

Almost surely, 2^13616203523 is an apocalyptic number.

13616203523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13616203523 is a deficient number, since it is larger than the sum of its proper divisors (1047400285).

13616203523 is a wasteful number, since it uses less digits than its factorization.

13616203523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047400284.

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 13616203523 in words is "thirteen billion, six hundred sixteen million, two hundred three thousand, five hundred twenty-three".