11636220323 has 16 divisors (see below), whose sum is σ = 14324291520. Its totient is φ = 9204886656.

The previous prime is 11636220319. The next prime is 11636220353. The reversal of 11636220323 is 32302263611.

It is not a de Polignac number, because 11636220323 - 2² = 11636220319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11636220353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649733 + ... + 667401.

It is an arithmetic number, because the mean of its divisors is an integer number (895268220).

Almost surely, 2^11636220323 is an apocalyptic number.

11636220323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11636220323 is a deficient number, since it is larger than the sum of its proper divisors (2688071197).

11636220323 is a wasteful number, since it uses less digits than its factorization.

11636220323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24926.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 11636220323 its reverse (32302263611), we get a palindrome (43938483934).

The spelling of 11636220323 in words is "eleven billion, six hundred thirty-six million, two hundred twenty thousand, three hundred twenty-three".