2043421032043 has 4 divisors (see below), whose sum is σ = 2163622269240. Its totient is φ = 1923219794848.

The previous prime is 2043421031987. The next prime is 2043421032067. The reversal of 2043421032043 is 3402301243402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043421032043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043421032083) 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, 60100618573 + ... + 60100618606.

It is an arithmetic number, because the mean of its divisors is an integer number (540905567310).

Almost surely, 2^{2043421032043} is an apocalyptic number.

2043421032043 is a deficient number, since it is larger than the sum of its proper divisors (120201237197).

2043421032043 is a wasteful number, since it uses less digits than its factorization.

2043421032043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120201237196.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 2043421032043 its reverse (3402301243402), we get a palindrome (5445722275445).

The spelling of 2043421032043 in words is "two trillion, forty-three billion, four hundred twenty-one million, thirty-two thousand, forty-three".