1042342142243 has 4 divisors (see below), whose sum is σ = 1043059516128. Its totient is φ = 1041624768360.

The previous prime is 1042342142227. The next prime is 1042342142251. The reversal of 1042342142243 is 3422412432401.

It is a happy number.

1042342142243 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.

It is a cyclic number.

It is not a de Polignac number, because 1042342142243 - 2⁴ = 1042342142227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042342142293) 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, 358684763 + ... + 358687668.

It is an arithmetic number, because the mean of its divisors is an integer number (260764879032).

Almost surely, 2^{1042342142243} is an apocalyptic number.

1042342142243 is a deficient number, since it is larger than the sum of its proper divisors (717373885).

1042342142243 is an equidigital number, since it uses as much as digits as its factorization.

1042342142243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717373884.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 1042342142243 its reverse (3422412432401), we get a palindrome (4464754574644).

The spelling of 1042342142243 in words is "one trillion, forty-two billion, three hundred forty-two million, one hundred forty-two thousand, two hundred forty-three".