2443623 has 16 divisors (see below), whose sum is σ = 4010496. Its totient is φ = 1288800.

The previous prime is 2443619. The next prime is 2443643. The reversal of 2443623 is 3263442.

It is a happy number.

2443623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2443623 - 2² = 2443619 is a prime.

It is a super-2 number, since 2×2443623² = 11942586732258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2443593 and 2443602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443613) 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, 4203 + ... + 4748.

It is an arithmetic number, because the mean of its divisors is an integer number (250656).

2^2443623 is an apocalyptic number.

2443623 is a deficient number, since it is larger than the sum of its proper divisors (1566873).

2443623 is a wasteful number, since it uses less digits than its factorization.

2443623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8974.

The product of its digits is 3456, while the sum is 24.

The square root of 2443623 is about 1563.2091990517. The cubic root of 2443623 is about 134.6929096597.

The spelling of 2443623 in words is "two million, four hundred forty-three thousand, six hundred twenty-three".