2543523223 has 2 divisors, whose sum is σ = 2543523224. Its totient is φ = 2543523222.

The previous prime is 2543523209. The next prime is 2543523251. The reversal of 2543523223 is 3223253452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2543523223 - 2²⁹ = 2006652311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2543523253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271761611 + 1271761612.

It is an arithmetic number, because the mean of its divisors is an integer number (1271761612).

Almost surely, 2^2543523223 is an apocalyptic number.

2543523223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543523223 is an equidigital number, since it uses as much as digits as its factorization.

2543523223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 31.

The square root of 2543523223 is about 50433.3542707601. The cubic root of 2543523223 is about 1365.0395535686.

Adding to 2543523223 its reverse (3223253452), we get a palindrome (5766776675).

The spelling of 2543523223 in words is "two billion, five hundred forty-three million, five hundred twenty-three thousand, two hundred twenty-three".