5647923 has 6 divisors (see below), whose sum is σ = 8158124. Its totient is φ = 3765276.

The previous prime is 5647919. The next prime is 5647933. The reversal of 5647923 is 3297465.

5647923 is a `hidden beast` number, since 5 + 647 + 9 + 2 + 3 = 666.

5647923 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5647923 - 2² = 5647919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5647913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313765 + ... + 313782.

Almost surely, 2^5647923 is an apocalyptic number.

5647923 is a deficient number, since it is larger than the sum of its proper divisors (2510201).

5647923 is a wasteful number, since it uses less digits than its factorization.

5647923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627553 (or 627550 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 5647923 is about 2376.5359244076. The cubic root of 5647923 is about 178.0859219907.

The spelling of 5647923 in words is "five million, six hundred forty-seven thousand, nine hundred twenty-three".