6427623 has 4 divisors (see below), whose sum is σ = 8570168. Its totient is φ = 4285080.

The previous prime is 6427613. The next prime is 6427639. The reversal of 6427623 is 3267246.

6427623 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6427623 - 2⁴ = 6427607 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6427613) 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, 1071268 + ... + 1071273.

It is an arithmetic number, because the mean of its divisors is an integer number (2142542).

Almost surely, 2^6427623 is an apocalyptic number.

6427623 is a deficient number, since it is larger than the sum of its proper divisors (2142545).

6427623 is a wasteful number, since it uses less digits than its factorization.

6427623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142544.

The product of its digits is 12096, while the sum is 30.

The square root of 6427623 is about 2535.2757246501. The cubic root of 6427623 is about 185.9302837347.

The spelling of 6427623 in words is "six million, four hundred twenty-seven thousand, six hundred twenty-three".