11220124423 has 16 divisors (see below), whose sum is σ = 11921368320. Its totient is φ = 10523546496.

The previous prime is 11220124393. The next prime is 11220124439. The reversal of 11220124423 is 32442102211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220124423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11220124394 and 11220124403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220194423) 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, 11010408 + ... + 11011426.

It is an arithmetic number, because the mean of its divisors is an integer number (745085520).

Almost surely, 2^11220124423 is an apocalyptic number.

11220124423 is a deficient number, since it is larger than the sum of its proper divisors (701243897).

11220124423 is a wasteful number, since it uses less digits than its factorization.

11220124423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11220124423 its reverse (32442102211), we get a palindrome (43662226634).

The spelling of 11220124423 in words is "eleven billion, two hundred twenty million, one hundred twenty-four thousand, four hundred twenty-three".