2120044523 has 16 divisors (see below), whose sum is σ = 2294003712. Its totient is φ = 1955016000.

The previous prime is 2120044499. The next prime is 2120044561. The reversal of 2120044523 is 3254400212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2120044523 - 2¹² = 2120040427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120044583) 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, 35258 + ... + 74048.

It is an arithmetic number, because the mean of its divisors is an integer number (143375232).

Almost surely, 2^2120044523 is an apocalyptic number.

2120044523 is a deficient number, since it is larger than the sum of its proper divisors (173959189).

2120044523 is a wasteful number, since it uses less digits than its factorization.

2120044523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38906.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2120044523 is about 46043.9412192310. The cubic root of 2120044523 is about 1284.6406506771.

Adding to 2120044523 its reverse (3254400212), we get a palindrome (5374444735).

The spelling of 2120044523 in words is "two billion, one hundred twenty million, forty-four thousand, five hundred twenty-three".