1043340443 has 4 divisors (see below), whose sum is σ = 1043405088. Its totient is φ = 1043275800.

The previous prime is 1043340409. The next prime is 1043340491. The reversal of 1043340443 is 3440433401.

1043340443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1043340443 - 2⁶ = 1043340379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043340143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14405 + ... + 47897.

It is an arithmetic number, because the mean of its divisors is an integer number (260851272).

Almost surely, 2^1043340443 is an apocalyptic number.

1043340443 is a deficient number, since it is larger than the sum of its proper divisors (64645).

1043340443 is an equidigital number, since it uses as much as digits as its factorization.

1043340443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64644.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1043340443 is about 32300.7808419549. The cubic root of 1043340443 is about 1014.2429884885.

Adding to 1043340443 its reverse (3440433401), we get a palindrome (4483773844).

The spelling of 1043340443 in words is "one billion, forty-three million, three hundred forty thousand, four hundred forty-three".