11817423883 has 4 divisors (see below), whose sum is σ = 11959802568. Its totient is φ = 11675045200.

The previous prime is 11817423869. The next prime is 11817423889. The reversal of 11817423883 is 38832471811.

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 11817423883 - 2¹⁷ = 11817292811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11817423889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71189218 + ... + 71189383.

It is an arithmetic number, because the mean of its divisors is an integer number (2989950642).

Almost surely, 2^11817423883 is an apocalyptic number.

11817423883 is a deficient number, since it is larger than the sum of its proper divisors (142378685).

11817423883 is an equidigital number, since it uses as much as digits as its factorization.

11817423883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142378684.

The product of its digits is 258048, while the sum is 46.

The spelling of 11817423883 in words is "eleven billion, eight hundred seventeen million, four hundred twenty-three thousand, eight hundred eighty-three".