2123044 has 48 divisors (see below), whose sum is σ = 4749696. Its totient is φ = 806400.

The previous prime is 2123027. The next prime is 2123047. The reversal of 2123044 is 4403212.

It is a d-powerful number, because it can be written as 2¹¹ + 1 + 2²¹ + 3⁹ + 0 + 4³ + 4⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18732 + ... + 18844.

It is an arithmetic number, because the mean of its divisors is an integer number (98952).

2^2123044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374848).

2123044 is an abundant number, since it is smaller than the sum of its proper divisors (2626652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123044 is a wasteful number, since it uses less digits than its factorization.

2123044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2123044 is about 1457.0669167887. The cubic root of 2123044 is about 128.5246209390.

Adding to 2123044 its reverse (4403212), we get a palindrome (6526256).

The spelling of 2123044 in words is "two million, one hundred twenty-three thousand, forty-four".