11223012423 has 32 divisors (see below), whose sum is σ = 17310092800. Its totient is φ = 6335262720.

The previous prime is 11223012379. The next prime is 11223012433. The reversal of 11223012423 is 32421032211.

11223012423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11223012423 - 2⁸ = 11223012167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11223012423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223012433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1158303 + ... + 1167951.

It is an arithmetic number, because the mean of its divisors is an integer number (540940400).

Almost surely, 2^11223012423 is an apocalyptic number.

11223012423 is a deficient number, since it is larger than the sum of its proper divisors (6087080377).

11223012423 is an equidigital number, since it uses as much as digits as its factorization.

11223012423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10327.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11223012423 its reverse (32421032211), we get a palindrome (43644044634).

The spelling of 11223012423 in words is "eleven billion, two hundred twenty-three million, twelve thousand, four hundred twenty-three".