6436223423 has 16 divisors (see below), whose sum is σ = 7693387776. Its totient is φ = 5264603520.

The previous prime is 6436223411. The next prime is 6436223459. The reversal of 6436223423 is 3243226346.

It is a cyclic number.

It is not a de Polignac number, because 6436223423 - 2⁴ = 6436223407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6436223483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23015 + ... + 115767.

It is an arithmetic number, because the mean of its divisors is an integer number (480836736).

Almost surely, 2^6436223423 is an apocalyptic number.

6436223423 is a deficient number, since it is larger than the sum of its proper divisors (1257164353).

6436223423 is a wasteful number, since it uses less digits than its factorization.

6436223423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93214.

The product of its digits is 124416, while the sum is 35.

The square root of 6436223423 is about 80226.0769513255. The cubic root of 6436223423 is about 1860.1317422198.

Adding to 6436223423 its reverse (3243226346), we get a palindrome (9679449769).

The spelling of 6436223423 in words is "six billion, four hundred thirty-six million, two hundred twenty-three thousand, four hundred twenty-three".