2013243052543 has 4 divisors (see below), whose sum is σ = 2015078279760. Its totient is φ = 2011407825328.

The previous prime is 2013243052501. The next prime is 2013243052547. The reversal of 2013243052543 is 3452503423102.

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 2013243052543 - 2⁹ = 2013243052031 is a prime.

It is a super-2 number, since 2×2013243052543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013243052499 and 2013243052508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013243052547) 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, 917611963 + ... + 917614156.

It is an arithmetic number, because the mean of its divisors is an integer number (503769569940).

Almost surely, 2^{2013243052543} is an apocalyptic number.

2013243052543 is a deficient number, since it is larger than the sum of its proper divisors (1835227217).

2013243052543 is a wasteful number, since it uses less digits than its factorization.

2013243052543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835227216.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 2013243052543 its reverse (3452503423102), we get a palindrome (5465746475645).

The spelling of 2013243052543 in words is "two trillion, thirteen billion, two hundred forty-three million, fifty-two thousand, five hundred forty-three".