943403 has 2 divisors, whose sum is σ = 943404. Its totient is φ = 943402.

The previous prime is 943387. The next prime is 943409. The reversal of 943403 is 304349.

It is a strong prime.

It is an emirp because it is prime and its reverse (304349) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 943403 - 2⁴ = 943387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (943409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471701 + 471702.

It is an arithmetic number, because the mean of its divisors is an integer number (471702).

2⁹⁴³⁴⁰³ is an apocalyptic number.

943403 is a deficient number, since it is larger than the sum of its proper divisors (1).

943403 is an equidigital number, since it uses as much as digits as its factorization.

943403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 943403 is about 971.2893492673. The cubic root of 943403 is about 98.0766788468.

The spelling of 943403 in words is "nine hundred forty-three thousand, four hundred three".