6436223 has 2 divisors, whose sum is σ = 6436224. Its totient is φ = 6436222.

The previous prime is 6436211. The next prime is 6436237. The reversal of 6436223 is 3226346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6436223 - 2⁴ = 6436207 is a prime.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 6436192 and 6436201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6430223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3218111 + 3218112.

It is an arithmetic number, because the mean of its divisors is an integer number (3218112).

Almost surely, 2^6436223 is an apocalyptic number.

6436223 is a deficient number, since it is larger than the sum of its proper divisors (1).

6436223 is an equidigital number, since it uses as much as digits as its factorization.

6436223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 26.

The square root of 6436223 is about 2536.9712256941. The cubic root of 6436223 is about 186.0131701469.

The spelling of 6436223 in words is "six million, four hundred thirty-six thousand, two hundred twenty-three".