6356423 has 4 divisors (see below), whose sum is σ = 6575640. Its totient is φ = 6137208.

The previous prime is 6356407. The next prime is 6356437. The reversal of 6356423 is 3246536.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6356423 - 2⁴ = 6356407 is a prime.

It is a super-2 number, since 2×6356423² = 80808226709858, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 219187 = 6356423 / (6 + 3 + 5 + 6 + 4 + 2 + 3).

It is a d-powerful number, because it can be written as 6 + 3⁵ + 5³ + 6³ + 4¹⁰ + 2¹⁹ + 3¹⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6356443) 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, 109565 + ... + 109622.

It is an arithmetic number, because the mean of its divisors is an integer number (1643910).

Almost surely, 2^6356423 is an apocalyptic number.

6356423 is a deficient number, since it is larger than the sum of its proper divisors (219217).

6356423 is a wasteful number, since it uses less digits than its factorization.

6356423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219216.

The product of its digits is 12960, while the sum is 29.

The square root of 6356423 is about 2521.1947564597. The cubic root of 6356423 is about 185.2412047355.

The spelling of 6356423 in words is "six million, three hundred fifty-six thousand, four hundred twenty-three".