11343000321 has 80 divisors (see below), whose sum is σ = 18784047744. Its totient is φ = 6784943616.

The previous prime is 11343000311. The next prime is 11343000329. The reversal of 11343000321 is 12300034311.

11343000321 is a `hidden beast` number, since 1 + 1 + 343 + 0 + 0 + 0 + 321 = 666.

It is not a de Polignac number, because 11343000321 - 2¹⁸ = 11342738177 is a prime.

It is a super-2 number, since 2×11343000321² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11343000294 and 11343000303.

It is not an unprimeable number, because it can be changed into a prime (11343000329) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17640426 + ... + 17641068.

Almost surely, 2^11343000321 is an apocalyptic number.

It is an amenable number.

11343000321 is a deficient number, since it is larger than the sum of its proper divisors (7441047423).

11343000321 is a wasteful number, since it uses less digits than its factorization.

11343000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11343000321 its reverse (12300034311), we get a palindrome (23643034632).

The spelling of 11343000321 in words is "eleven billion, three hundred forty-three million, three hundred twenty-one", and thus it is an aban number.