5641923 has 16 divisors (see below), whose sum is σ = 8971776. Its totient is φ = 3083520.

The previous prime is 5641897. The next prime is 5641931. The reversal of 5641923 is 3291465.

It is not a de Polignac number, because 5641923 - 2⁶ = 5641859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5641123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5358 + ... + 6323.

It is an arithmetic number, because the mean of its divisors is an integer number (560736).

Almost surely, 2^5641923 is an apocalyptic number.

5641923 is a deficient number, since it is larger than the sum of its proper divisors (3329853).

5641923 is a wasteful number, since it uses less digits than its factorization.

5641923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11714.

The product of its digits is 6480, while the sum is 30.

The square root of 5641923 is about 2375.2732474391. The cubic root of 5641923 is about 178.0228371995.

The spelling of 5641923 in words is "five million, six hundred forty-one thousand, nine hundred twenty-three".