11942443 has 2 divisors, whose sum is σ = 11942444. Its totient is φ = 11942442.

The previous prime is 11942419. The next prime is 11942459. The reversal of 11942443 is 34424911.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11942443 is a prime.

It is a super-3 number, since 3×11942443³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11942743) 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 as a sum of consecutive naturals, namely, 5971221 + 5971222.

It is an arithmetic number, because the mean of its divisors is an integer number (5971222).

Almost surely, 2^11942443 is an apocalyptic number.

11942443 is a deficient number, since it is larger than the sum of its proper divisors (1).

11942443 is an equidigital number, since it uses as much as digits as its factorization.

11942443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 11942443 is about 3455.7839920921. The cubic root of 11942443 is about 228.5762266292.

The spelling of 11942443 in words is "eleven million, nine hundred forty-two thousand, four hundred forty-three".