11421223011423 has 12 divisors (see below), whose sum is σ = 16497470713360. Its totient is φ = 7614080096256.

The previous prime is 11421223011403. The next prime is 11421223011437. The reversal of 11421223011423 is 32411032212411.

11421223011423 is a `hidden beast` number, since 1 + 1 + 4 + 2 + 1 + 2 + 230 + 1 + 1 + 423 = 666.

It is not a de Polignac number, because 11421223011423 - 2⁵ = 11421223011391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421223011403) 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 11 ways as a sum of consecutive naturals, for example, 4649611 + ... + 6667932.

Almost surely, 2^{11421223011423} is an apocalyptic number.

11421223011423 is a deficient number, since it is larger than the sum of its proper divisors (5076247701937).

11421223011423 is a wasteful number, since it uses less digits than its factorization.

11421223011423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11429678 (or 11429675 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 11421223011423 its reverse (32411032212411), we get a palindrome (43832255223834).

The spelling of 11421223011423 in words is "eleven trillion, four hundred twenty-one billion, two hundred twenty-three million, eleven thousand, four hundred twenty-three".