11918343 has 8 divisors (see below), whose sum is σ = 16825968. Its totient is φ = 7478144.

The previous prime is 11918327. The next prime is 11918359. The reversal of 11918343 is 34381911.

It is an interprime number because it is at equal distance from previous prime (11918327) and next prime (11918359).

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

It is a cyclic number.

It is not a de Polignac number, because 11918343 - 2⁴ = 11918327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11918343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11918323) 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 7 ways as a sum of consecutive naturals, for example, 116796 + ... + 116897.

It is an arithmetic number, because the mean of its divisors is an integer number (2103246).

Almost surely, 2^11918343 is an apocalyptic number.

11918343 is a deficient number, since it is larger than the sum of its proper divisors (4907625).

11918343 is a wasteful number, since it uses less digits than its factorization.

11918343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233713.

The product of its digits is 2592, while the sum is 30.

The square root of 11918343 is about 3452.2953234044. The cubic root of 11918343 is about 228.4223665199.

The spelling of 11918343 in words is "eleven million, nine hundred eighteen thousand, three hundred forty-three".