11023623655423 has 4 divisors (see below), whose sum is σ = 11672072105760. Its totient is φ = 10375175205088.

The previous prime is 11023623655403. The next prime is 11023623655463. The reversal of 11023623655423 is 32455632632011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11023623655423 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 11023623655423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023623655403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324224225143 + ... + 324224225176.

It is an arithmetic number, because the mean of its divisors is an integer number (2918018026440).

Almost surely, 2^{11023623655423} is an apocalyptic number.

11023623655423 is a deficient number, since it is larger than the sum of its proper divisors (648448450337).

11023623655423 is an equidigital number, since it uses as much as digits as its factorization.

11023623655423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648448450336.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 11023623655423 in words is "eleven trillion, twenty-three billion, six hundred twenty-three million, six hundred fifty-five thousand, four hundred twenty-three".