5668623 has 20 divisors (see below), whose sum is σ = 8653920. Its totient is φ = 3696192.

The previous prime is 5668609. The next prime is 5668627. The reversal of 5668623 is 3268665.

It is not a de Polignac number, because 5668623 - 2⁵ = 5668591 is a prime.

It is a super-2 number, since 2×5668623² = 64266573432258, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5668627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3063 + ... + 4551.

It is an arithmetic number, because the mean of its divisors is an integer number (432696).

Almost surely, 2^5668623 is an apocalyptic number.

5668623 is a deficient number, since it is larger than the sum of its proper divisors (2985297).

5668623 is a wasteful number, since it uses less digits than its factorization.

5668623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548 (or 1539 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 5668623 is about 2380.8870195790. The cubic root of 5668623 is about 178.3032221751.

The spelling of 5668623 in words is "five million, six hundred sixty-eight thousand, six hundred twenty-three".