6842623 has 4 divisors (see below), whose sum is σ = 6857928. Its totient is φ = 6827320.

The previous prime is 6842621. The next prime is 6842629. The reversal of 6842623 is 3262486.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3262486 = 2 ⋅1631243.

It is a cyclic number.

It is not a de Polignac number, because 6842623 - 2¹ = 6842621 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 (6842621) 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, 6961 + ... + 7882.

It is an arithmetic number, because the mean of its divisors is an integer number (1714482).

Almost surely, 2^6842623 is an apocalyptic number.

6842623 is a deficient number, since it is larger than the sum of its proper divisors (15305).

6842623 is a wasteful number, since it uses less digits than its factorization.

6842623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15304.

The product of its digits is 13824, while the sum is 31.

The square root of 6842623 is about 2615.8407826166. The cubic root of 6842623 is about 189.8486606502.

The spelling of 6842623 in words is "six million, eight hundred forty-two thousand, six hundred twenty-three".