11345404223 has 4 divisors (see below), whose sum is σ = 12012780960. Its totient is φ = 10678027488.

The previous prime is 11345404199. The next prime is 11345404237. The reversal of 11345404223 is 32240454311.

11345404223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11345404223 - 2⁶ = 11345404159 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 (11345404423) 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 3 ways as a sum of consecutive naturals, for example, 333688343 + ... + 333688376.

It is an arithmetic number, because the mean of its divisors is an integer number (3003195240).

Almost surely, 2^11345404223 is an apocalyptic number.

11345404223 is a deficient number, since it is larger than the sum of its proper divisors (667376737).

11345404223 is an equidigital number, since it uses as much as digits as its factorization.

11345404223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667376736.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 11345404223 its reverse (32240454311), we get a palindrome (43585858534).

The spelling of 11345404223 in words is "eleven billion, three hundred forty-five million, four hundred four thousand, two hundred twenty-three".