2044523 has 4 divisors (see below), whose sum is σ = 2201808. Its totient is φ = 1887240.

The previous prime is 2044519. The next prime is 2044541. The reversal of 2044523 is 3254402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3254402 = 2 ⋅1627201.

It is a cyclic number.

It is not a de Polignac number, because 2044523 - 2² = 2044519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2044495 and 2044504.

It is not an unprimeable number, because it can be changed into a prime (2043523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78623 + ... + 78648.

It is an arithmetic number, because the mean of its divisors is an integer number (550452).

2^2044523 is an apocalyptic number.

2044523 is a deficient number, since it is larger than the sum of its proper divisors (157285).

2044523 is a wasteful number, since it uses less digits than its factorization.

2044523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157284.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2044523 is about 1429.8681757421. The cubic root of 2044523 is about 126.9201763459.

Adding to 2044523 its reverse (3254402), we get a palindrome (5298925).

The spelling of 2044523 in words is "two million, forty-four thousand, five hundred twenty-three".