11808103523 has 8 divisors (see below), whose sum is σ = 11844630528. Its totient is φ = 11771600904.

The previous prime is 11808103519. The next prime is 11808103543. The reversal of 11808103523 is 32530180811.

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 11808103523 - 2² = 11808103519 is a prime.

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 11808103523.

It is not an unprimeable number, because it can be changed into a prime (11808103513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1553390 + ... + 1560972.

It is an arithmetic number, because the mean of its divisors is an integer number (1480578816).

Almost surely, 2^11808103523 is an apocalyptic number.

11808103523 is a deficient number, since it is larger than the sum of its proper divisors (36527005).

11808103523 is an equidigital number, since it uses as much as digits as its factorization.

11808103523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12193.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 11808103523 in words is "eleven billion, eight hundred eight million, one hundred three thousand, five hundred twenty-three".