2320543 has 2 divisors, whose sum is σ = 2320544. Its totient is φ = 2320542.

The previous prime is 2320519. The next prime is 2320547. The reversal of 2320543 is 3450232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2320543 - 2⁵ = 2320511 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2320543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2320547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160271 + 1160272.

It is an arithmetic number, because the mean of its divisors is an integer number (1160272).

2^2320543 is an apocalyptic number.

2320543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320543 is an equidigital number, since it uses as much as digits as its factorization.

2320543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 2320543 is about 1523.3328592268. The cubic root of 2320543 is about 132.3924462426.

Adding to 2320543 its reverse (3450232), we get a palindrome (5770775).

The spelling of 2320543 in words is "two million, three hundred twenty thousand, five hundred forty-three".