2543424523 has 2 divisors, whose sum is σ = 2543424524. Its totient is φ = 2543424522.

The previous prime is 2543424517. The next prime is 2543424539. The reversal of 2543424523 is 3254243452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2543424523 - 2⁵ = 2543424491 is a prime.

It is not a weakly prime, because it can be changed into another prime (2543424623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271712261 + 1271712262.

It is an arithmetic number, because the mean of its divisors is an integer number (1271712262).

Almost surely, 2^2543424523 is an apocalyptic number.

2543424523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543424523 is an equidigital number, since it uses as much as digits as its factorization.

2543424523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 34.

The square root of 2543424523 is about 50432.3757421758. The cubic root of 2543424523 is about 1365.0218968073.

Adding to 2543424523 its reverse (3254243452), we get a palindrome (5797667975).

The spelling of 2543424523 in words is "two billion, five hundred forty-three million, four hundred twenty-four thousand, five hundred twenty-three".