2543303250523 has 64 divisors (see below), whose sum is σ = 3189299097600. Its totient is φ = 1978848144000.

The previous prime is 2543303250497. The next prime is 2543303250529. The reversal of 2543303250523 is 3250523033452.

It is a happy number.

It is not a de Polignac number, because 2543303250523 - 2⁵ = 2543303250491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2543303250529) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 273969640 + ... + 273978922.

It is an arithmetic number, because the mean of its divisors is an integer number (49832798400).

Almost surely, 2^{2543303250523} is an apocalyptic number.

2543303250523 is a deficient number, since it is larger than the sum of its proper divisors (645995847077).

2543303250523 is a wasteful number, since it uses less digits than its factorization.

2543303250523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9872.

The product of its (nonzero) digits is 324000, while the sum is 37.

Adding to 2543303250523 its reverse (3250523033452), we get a palindrome (5793826283975).

The spelling of 2543303250523 in words is "two trillion, five hundred forty-three billion, three hundred three million, two hundred fifty thousand, five hundred twenty-three".