2543423312504 has 16 divisors (see below), whose sum is σ = 4770035356320. Its totient is φ = 1271413884160.

The previous prime is 2543423312501. The next prime is 2543423312567. The reversal of 2543423312504 is 4052133243452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543423312501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37185209 + ... + 37253544.

It is an arithmetic number, because the mean of its divisors is an integer number (298127209770).

Almost surely, 2^{2543423312504} is an apocalyptic number.

It is an amenable number.

2543423312504 is a deficient number, since it is larger than the sum of its proper divisors (2226612043816).

2543423312504 is a wasteful number, since it uses less digits than its factorization.

2543423312504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74443030 (or 74443026 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 2543423312504 its reverse (4052133243452), we get a palindrome (6595556555956).

The spelling of 2543423312504 in words is "two trillion, five hundred forty-three billion, four hundred twenty-three million, three hundred twelve thousand, five hundred four".