11401044423 has 16 divisors (see below), whose sum is σ = 15392334720. Its totient is φ = 7505318304.

The previous prime is 11401044397. The next prime is 11401044439. The reversal of 11401044423 is 32444010411.

11401044423 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 11401044423 - 2⁶ = 11401044359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11401044393 and 11401044402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401044463) 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 15 ways as a sum of consecutive naturals, for example, 532065 + ... + 553077.

It is an arithmetic number, because the mean of its divisors is an integer number (962020920).

Almost surely, 2^11401044423 is an apocalyptic number.

11401044423 is a deficient number, since it is larger than the sum of its proper divisors (3991290297).

11401044423 is a wasteful number, since it uses less digits than its factorization.

11401044423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23278.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11401044423 its reverse (32444010411), we get a palindrome (43845054834).

The spelling of 11401044423 in words is "eleven billion, four hundred one million, forty-four thousand, four hundred twenty-three".