11400443 has 2 divisors, whose sum is σ = 11400444. Its totient is φ = 11400442.

The previous prime is 11400439. The next prime is 11400463. The reversal of 11400443 is 34400411.

It is a weak prime.

It is an emirp because it is prime and its reverse (34400411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11400443 - 2² = 11400439 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11400463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700221 + 5700222.

It is an arithmetic number, because the mean of its divisors is an integer number (5700222).

Almost surely, 2^11400443 is an apocalyptic number.

11400443 is a deficient number, since it is larger than the sum of its proper divisors (1).

11400443 is an equidigital number, since it uses as much as digits as its factorization.

11400443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 11400443 is about 3376.4542052277. The cubic root of 11400443 is about 225.0646267030.

Adding to 11400443 its reverse (34400411), we get a palindrome (45800854).

The spelling of 11400443 in words is "eleven million, four hundred thousand, four hundred forty-three".