5641623 has 16 divisors (see below), whose sum is σ = 9001440. Its totient is φ = 3471552.

The previous prime is 5641607. The next prime is 5641633. The reversal of 5641623 is 3261465.

It is not a de Polignac number, because 5641623 - 2⁴ = 5641607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7686 + ... + 8387.

It is an arithmetic number, because the mean of its divisors is an integer number (562590).

Almost surely, 2^5641623 is an apocalyptic number.

5641623 is a deficient number, since it is larger than the sum of its proper divisors (3359817).

5641623 is a wasteful number, since it uses less digits than its factorization.

5641623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16095 (or 16089 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 5641623 is about 2375.2100959705. The cubic root of 5641623 is about 178.0196817861.

It can be divided in two parts, 564 and 1623, that added together give a 7-th power (2187 = 3⁷).

The spelling of 5641623 in words is "five million, six hundred forty-one thousand, six hundred twenty-three".