11405204223 has 16 divisors (see below), whose sum is σ = 17390499840. Its totient is φ = 6513081696.

The previous prime is 11405204207. The next prime is 11405204267. The reversal of 11405204223 is 32240250411.

It is not a de Polignac number, because 11405204223 - 2⁴ = 11405204207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11405204193 and 11405204202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405204323) 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 15 ways as a sum of consecutive naturals, for example, 140388 + ... + 206201.

It is an arithmetic number, because the mean of its divisors is an integer number (1086906240).

Almost surely, 2^11405204223 is an apocalyptic number.

11405204223 is a deficient number, since it is larger than the sum of its proper divisors (5985295617).

11405204223 is a wasteful number, since it uses less digits than its factorization.

11405204223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348166.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 11405204223 its reverse (32240250411), we get a palindrome (43645454634).

The spelling of 11405204223 in words is "eleven billion, four hundred five million, two hundred four thousand, two hundred twenty-three".