1042434303443 has 4 divisors (see below), whose sum is σ = 1122621557568. Its totient is φ = 962247049320.

The previous prime is 1042434303431. The next prime is 1042434303451. The reversal of 1042434303443 is 3443034342401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1042434303443 - 2²⁰ = 1042433254867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042434303413) 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, 40093627043 + ... + 40093627068.

It is an arithmetic number, because the mean of its divisors is an integer number (280655389392).

Almost surely, 2^{1042434303443} is an apocalyptic number.

1042434303443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1042434303443 is a deficient number, since it is larger than the sum of its proper divisors (80187254125).

1042434303443 is an equidigital number, since it uses as much as digits as its factorization.

1042434303443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80187254124.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 1042434303443 its reverse (3443034342401), we get a palindrome (4485468645844).

The spelling of 1042434303443 in words is "one trillion, forty-two billion, four hundred thirty-four million, three hundred three thousand, four hundred forty-three".