2043320111293 has 4 divisors (see below), whose sum is σ = 2061402590268. Its totient is φ = 2025237632320.

The previous prime is 2043320111267. The next prime is 2043320111321. The reversal of 2043320111293 is 3921110233402.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 132406471129 + 1910913640164 = 363877^2 + 1382358^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043320111293 - 2⁹ = 2043320110781 is a prime.

It is a super-2 number, since 2×2043320111293² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043320111233) 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, 9041239318 + ... + 9041239543.

It is an arithmetic number, because the mean of its divisors is an integer number (515350647567).

Almost surely, 2^{2043320111293} is an apocalyptic number.

It is an amenable number.

2043320111293 is a deficient number, since it is larger than the sum of its proper divisors (18082478975).

2043320111293 is a wasteful number, since it uses less digits than its factorization.

2043320111293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18082478974.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 2043320111293 its reverse (3921110233402), we get a palindrome (5964430344695).

The spelling of 2043320111293 in words is "two trillion, forty-three billion, three hundred twenty million, one hundred eleven thousand, two hundred ninety-three".