11343420321 has 8 divisors (see below), whose sum is σ = 15316010880. Its totient is φ = 7466554992.

The previous prime is 11343420311. The next prime is 11343420353. The reversal of 11343420321 is 12302434311.

It is a happy number.

11343420321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11343420321 - 2¹⁴ = 11343403937 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11343420291 and 11343420300.

It is not an unprimeable number, because it can be changed into a prime (11343420311) 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 7 ways as a sum of consecutive naturals, for example, 23931030 + ... + 23931503.

It is an arithmetic number, because the mean of its divisors is an integer number (1914501360).

Almost surely, 2^11343420321 is an apocalyptic number.

It is an amenable number.

11343420321 is a deficient number, since it is larger than the sum of its proper divisors (3972590559).

11343420321 is an equidigital number, since it uses as much as digits as its factorization.

11343420321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47862615.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11343420321 its reverse (12302434311), we get a palindrome (23645854632).

The spelling of 11343420321 in words is "eleven billion, three hundred forty-three million, four hundred twenty thousand, three hundred twenty-one".