5678623 has 8 divisors (see below), whose sum is σ = 5954256. Its totient is φ = 5409600.

The previous prime is 5678609. The next prime is 5678627. The reversal of 5678623 is 3268765.

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-5678623 is a prime.

It is a super-2 number, since 2×5678623² = 64493518352258, which contains 22 as substring.

It is a Duffinian number.

5678623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5678627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153 + ... + 3373.

It is an arithmetic number, because the mean of its divisors is an integer number (744282).

Almost surely, 2^5678623 is an apocalyptic number.

5678623 is a deficient number, since it is larger than the sum of its proper divisors (275633).

5678623 is a wasteful number, since it uses less digits than its factorization.

5678623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305.

The product of its digits is 60480, while the sum is 37.

The square root of 5678623 is about 2382.9861518691. The cubic root of 5678623 is about 178.4080086325.

The spelling of 5678623 in words is "five million, six hundred seventy-eight thousand, six hundred twenty-three".