5666923 has 4 divisors (see below), whose sum is σ = 5695600. Its totient is φ = 5638248.

The previous prime is 5666911. The next prime is 5666939. The reversal of 5666923 is 3296665.

5666923 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3296665 = 5 ⋅659333.

It is a cyclic number.

It is not a de Polignac number, because 5666923 - 2²¹ = 3569771 is a prime.

It is a super-2 number, since 2×5666923² = 64228032575858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5666953) 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 3 ways as a sum of consecutive naturals, for example, 14040 + ... + 14437.

It is an arithmetic number, because the mean of its divisors is an integer number (1423900).

Almost surely, 2^5666923 is an apocalyptic number.

5666923 is a deficient number, since it is larger than the sum of its proper divisors (28677).

5666923 is a wasteful number, since it uses less digits than its factorization.

5666923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28676.

The product of its digits is 58320, while the sum is 37.

The square root of 5666923 is about 2380.5299830080. The cubic root of 5666923 is about 178.2853962244.

The spelling of 5666923 in words is "five million, six hundred sixty-six thousand, nine hundred twenty-three".