11421223343 has 12 divisors (see below), whose sum is σ = 11772294120. Its totient is φ = 11080115520.

The previous prime is 11421223301. The next prime is 11421223351. The reversal of 11421223343 is 34332212411.

It is not a de Polignac number, because 11421223343 - 2⁶ = 11421223279 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 (11421223043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281921 + ... + 319877.

It is an arithmetic number, because the mean of its divisors is an integer number (981024510).

Almost surely, 2^11421223343 is an apocalyptic number.

11421223343 is a deficient number, since it is larger than the sum of its proper divisors (351070777).

11421223343 is an equidigital number, since it uses as much as digits as its factorization.

11421223343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38218 (or 38177 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 11421223343 its reverse (34332212411), we get a palindrome (45753435754).

The spelling of 11421223343 in words is "eleven billion, four hundred twenty-one million, two hundred twenty-three thousand, three hundred forty-three".