2320540543 has 2 divisors, whose sum is σ = 2320540544. Its totient is φ = 2320540542.

The previous prime is 2320540529. The next prime is 2320540561. The reversal of 2320540543 is 3450450232.

2320540543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2320540543 - 2²⁵ = 2286986111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2320540043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160270271 + 1160270272.

It is an arithmetic number, because the mean of its divisors is an integer number (1160270272).

Almost surely, 2^2320540543 is an apocalyptic number.

2320540543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320540543 is an equidigital number, since it uses as much as digits as its factorization.

2320540543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 2320540543 is about 48171.9891949668. The cubic root of 2320540543 is about 1323.9239951669.

Adding to 2320540543 its reverse (3450450232), we get a palindrome (5770990775).

The spelling of 2320540543 in words is "two billion, three hundred twenty million, five hundred forty thousand, five hundred forty-three".