11420343 has 18 divisors (see below), whose sum is σ = 18133752. Its totient is φ = 6920760.

The previous prime is 11420341. The next prime is 11420347. The reversal of 11420343 is 34302411.

11420343 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11420343 - 2¹ = 11420341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4155 + ... + 6332.

Almost surely, 2^11420343 is an apocalyptic number.

11420343 is a deficient number, since it is larger than the sum of its proper divisors (6713409).

11420343 is a wasteful number, since it uses less digits than its factorization.

11420343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10515 (or 10501 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 11420343 is about 3379.3997987808. The cubic root of 11420343 is about 225.1955041499.

Adding to 11420343 its reverse (34302411), we get a palindrome (45722754).

The spelling of 11420343 in words is "eleven million, four hundred twenty thousand, three hundred forty-three".