6427923 has 4 divisors (see below), whose sum is σ = 8570568. Its totient is φ = 4285280.

The previous prime is 6427907. The next prime is 6427931. The reversal of 6427923 is 3297246.

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 6427923 - 2⁴ = 6427907 is a prime.

It is a d-powerful number, because it can be written as 6³ + 4⁴ + 2⁷ + 7⁸ + 9 + 2¹⁷ + 3¹² .

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6427963) 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, 1071318 + ... + 1071323.

It is an arithmetic number, because the mean of its divisors is an integer number (2142642).

Almost surely, 2^6427923 is an apocalyptic number.

6427923 is a deficient number, since it is larger than the sum of its proper divisors (2142645).

6427923 is a wasteful number, since it uses less digits than its factorization.

6427923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142644.

The product of its digits is 18144, while the sum is 33.

The square root of 6427923 is about 2535.3348891221. The cubic root of 6427923 is about 185.9331763653.

The spelling of 6427923 in words is "six million, four hundred twenty-seven thousand, nine hundred twenty-three".