2001523124 has 24 divisors (see below), whose sum is σ = 3522512448. Its totient is φ = 995103680.

The previous prime is 2001523087. The next prime is 2001523127. The reversal of 2001523124 is 4213251002.

It is a junction number, because it is equal to n+sod(n) for n = 2001523096 and 2001523105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001523127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273259 + ... + 1274829.

It is an arithmetic number, because the mean of its divisors is an integer number (146771352).

Almost surely, 2^2001523124 is an apocalyptic number.

It is an amenable number.

2001523124 is a deficient number, since it is larger than the sum of its proper divisors (1520989324).

2001523124 is a wasteful number, since it uses less digits than its factorization.

2001523124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175 (or 3173 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2001523124 is about 44738.3853530724. The cubic root of 2001523124 is about 1260.2408047358.

Adding to 2001523124 its reverse (4213251002), we get a palindrome (6214774126).

The spelling of 2001523124 in words is "two billion, one million, five hundred twenty-three thousand, one hundred twenty-four".