6506423 has 8 divisors (see below), whose sum is σ = 8112000. Its totient is φ = 5069880.

The previous prime is 6506399. The next prime is 6506429. The reversal of 6506423 is 3246056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6506423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6506392 and 6506401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6506429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42173 + ... + 42326.

It is an arithmetic number, because the mean of its divisors is an integer number (1014000).

Almost surely, 2^6506423 is an apocalyptic number.

6506423 is a deficient number, since it is larger than the sum of its proper divisors (1605577).

6506423 is a wasteful number, since it uses less digits than its factorization.

6506423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84517.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 6506423 is about 2550.7690997031. The cubic root of 6506423 is about 186.6870091918.

The spelling of 6506423 in words is "six million, five hundred six thousand, four hundred twenty-three".