6543036423 has 48 divisors (see below), whose sum is σ = 11835323136. Its totient is φ = 3383925120.

The previous prime is 6543036371. The next prime is 6543036469. The reversal of 6543036423 is 3246303456.

6543036423 is a `hidden beast` number, since 6 + 5 + 4 + 3 + 0 + 3 + 642 + 3 = 666.

It is not a de Polignac number, because 6543036423 - 2⁸ = 6543036167 is a prime.

It is a super-2 number, since 2×6543036423² = 85622651265409269858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6543036223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136515 + ... + 178107.

It is an arithmetic number, because the mean of its divisors is an integer number (246569232).

Almost surely, 2^6543036423 is an apocalyptic number.

6543036423 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6543036423 is a deficient number, since it is larger than the sum of its proper divisors (5292286713).

6543036423 is a wasteful number, since it uses less digits than its factorization.

6543036423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41844 (or 41841 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The square root of 6543036423 is about 80889.0377183460. The cubic root of 6543036423 is about 1870.3653401742.

Adding to 6543036423 its reverse (3246303456), we get a palindrome (9789339879).

The spelling of 6543036423 in words is "six billion, five hundred forty-three million, thirty-six thousand, four hundred twenty-three".