6887423 has 4 divisors (see below), whose sum is σ = 6970488. Its totient is φ = 6804360.

The previous prime is 6887417. The next prime is 6887429. The reversal of 6887423 is 3247886.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3247886 = 2 ⋅1623943.

It is an interprime number because it is at equal distance from previous prime (6887417) and next prime (6887429).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6887423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887429) 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, 41408 + ... + 41573.

It is an arithmetic number, because the mean of its divisors is an integer number (1742622).

Almost surely, 2^6887423 is an apocalyptic number.

6887423 is a deficient number, since it is larger than the sum of its proper divisors (83065).

6887423 is an equidigital number, since it uses as much as digits as its factorization.

6887423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83064.

The product of its digits is 64512, while the sum is 38.

The square root of 6887423 is about 2624.3900243676. The cubic root of 6887423 is about 190.2620852212.

The spelling of 6887423 in words is "six million, eight hundred eighty-seven thousand, four hundred twenty-three".