11343021 has 4 divisors (see below), whose sum is σ = 15124032. Its totient is φ = 7562012.

The previous prime is 11343001. The next prime is 11343041. The reversal of 11343021 is 12034311.

11343021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11343001) and next prime (11343041).

It is a cyclic number.

It is not a de Polignac number, because 11343021 - 2²² = 7148717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343001) 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, 1890501 + ... + 1890506.

It is an arithmetic number, because the mean of its divisors is an integer number (3781008).

Almost surely, 2^11343021 is an apocalyptic number.

It is an amenable number.

11343021 is a deficient number, since it is larger than the sum of its proper divisors (3781011).

11343021 is an equidigital number, since it uses as much as digits as its factorization.

11343021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781010.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11343021 is about 3367.9401716776. The cubic root of 11343021 is about 224.6861203597.

Adding to 11343021 its reverse (12034311), we get a palindrome (23377332).

It can be divided in two parts, 113 and 43021, that added together give a palindrome (43134).

The spelling of 11343021 in words is "eleven million, three hundred forty-three thousand, twenty-one".