11304421343 has 4 divisors (see below), whose sum is σ = 11669080128. Its totient is φ = 10939762560.

The previous prime is 11304421327. The next prime is 11304421367. The reversal of 11304421343 is 34312440311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11304421343 - 2⁴ = 11304421327 is a prime.

It is a super-3 number, since 3×11304421343³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11304421043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182329346 + ... + 182329407.

It is an arithmetic number, because the mean of its divisors is an integer number (2917270032).

Almost surely, 2^11304421343 is an apocalyptic number.

11304421343 is a deficient number, since it is larger than the sum of its proper divisors (364658785).

11304421343 is an equidigital number, since it uses as much as digits as its factorization.

11304421343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364658784.

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

Adding to 11304421343 its reverse (34312440311), we get a palindrome (45616861654).

The spelling of 11304421343 in words is "eleven billion, three hundred four million, four hundred twenty-one thousand, three hundred forty-three".