11800343 has 2 divisors, whose sum is σ = 11800344. Its totient is φ = 11800342.

The previous prime is 11800339. The next prime is 11800351. The reversal of 11800343 is 34300811.

It is a happy number.

11800343 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11800343 - 2² = 11800339 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11800043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5900171 + 5900172.

It is an arithmetic number, because the mean of its divisors is an integer number (5900172).

Almost surely, 2^11800343 is an apocalyptic number.

11800343 is a deficient number, since it is larger than the sum of its proper divisors (1).

11800343 is an equidigital number, since it uses as much as digits as its factorization.

11800343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 11800343 is about 3435.1627326809. The cubic root of 11800343 is about 227.6660173700. Note that the first 3 decimals are identical.

The spelling of 11800343 in words is "eleven million, eight hundred thousand, three hundred forty-three".