11343320421 has 8 divisors (see below), whose sum is σ = 15446223744. Its totient is φ = 7401315360.

The previous prime is 11343320381. The next prime is 11343320447. The reversal of 11343320421 is 12402334311.

It is a happy number.

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

It is not a de Polignac number, because 11343320421 - 2⁶ = 11343320357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11343320391 and 11343320400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343320221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40224400 + ... + 40224681.

It is an arithmetic number, because the mean of its divisors is an integer number (1930777968).

Almost surely, 2^11343320421 is an apocalyptic number.

It is an amenable number.

11343320421 is a deficient number, since it is larger than the sum of its proper divisors (4102903323).

11343320421 is an equidigital number, since it uses as much as digits as its factorization.

11343320421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80449131.

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

Adding to 11343320421 its reverse (12402334311), we get a palindrome (23745654732).

The spelling of 11343320421 in words is "eleven billion, three hundred forty-three million, three hundred twenty thousand, four hundred twenty-one".