11142343 has 4 divisors (see below), whose sum is σ = 11158560. Its totient is φ = 11126128.

The previous prime is 11142331. The next prime is 11142353. The reversal of 11142343 is 34324111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11142343 - 2⁵ = 11142311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11142343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142323) 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, 7030 + ... + 8467.

It is an arithmetic number, because the mean of its divisors is an integer number (2789640).

Almost surely, 2^11142343 is an apocalyptic number.

11142343 is a deficient number, since it is larger than the sum of its proper divisors (16217).

11142343 is an equidigital number, since it uses as much as digits as its factorization.

11142343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16216.

The product of its digits is 288, while the sum is 19.

The square root of 11142343 is about 3338.0148292061. The cubic root of 11142343 is about 223.3531976589.

Adding to 11142343 its reverse (34324111), we get a palindrome (45466454).

The spelling of 11142343 in words is "eleven million, one hundred forty-two thousand, three hundred forty-three".