2042056343 has 4 divisors (see below), whose sum is σ = 2042341488. Its totient is φ = 2041771200.

The previous prime is 2042056333. The next prime is 2042056349. The reversal of 2042056343 is 3436502402.

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 2042056343 - 2⁴ = 2042056327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042056349) 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, 131546 + ... + 146247.

It is an arithmetic number, because the mean of its divisors is an integer number (510585372).

Almost surely, 2^2042056343 is an apocalyptic number.

2042056343 is a deficient number, since it is larger than the sum of its proper divisors (285145).

2042056343 is an equidigital number, since it uses as much as digits as its factorization.

2042056343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285144.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 2042056343 is about 45189.1175284493. The cubic root of 2042056343 is about 1268.6911398256.

Adding to 2042056343 its reverse (3436502402), we get a palindrome (5478558745).

The spelling of 2042056343 in words is "two billion, forty-two million, fifty-six thousand, three hundred forty-three".