2043324223403 has 4 divisors (see below), whose sum is σ = 2047795392840. Its totient is φ = 2038853053968.

The previous prime is 2043324223399. The next prime is 2043324223411. The reversal of 2043324223403 is 3043224233402.

It is a happy number.

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 2043324223403 - 2² = 2043324223399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043324223403.

It is not an unprimeable number, because it can be changed into a prime (2043324223903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235584033 + ... + 2235584946.

It is an arithmetic number, because the mean of its divisors is an integer number (511948848210).

Almost surely, 2^{2043324223403} is an apocalyptic number.

2043324223403 is a deficient number, since it is larger than the sum of its proper divisors (4471169437).

2043324223403 is an equidigital number, since it uses as much as digits as its factorization.

2043324223403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471169436.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 2043324223403 its reverse (3043224233402), we get a palindrome (5086548456805).

Subtracting 2043324223403 from its reverse (3043224233402), we obtain a palindrome (999900009999).

The spelling of 2043324223403 in words is "two trillion, forty-three billion, three hundred twenty-four million, two hundred twenty-three thousand, four hundred three".