2001523112 has 16 divisors (see below), whose sum is σ = 3916023840. Its totient is φ = 957250096.

The previous prime is 2001523087. The next prime is 2001523127. The reversal of 2001523112 is 2113251002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5438738 + ... + 5439105.

It is an arithmetic number, because the mean of its divisors is an integer number (244751490).

Almost surely, 2^2001523112 is an apocalyptic number.

It is an amenable number.

2001523112 is a deficient number, since it is larger than the sum of its proper divisors (1914500728).

2001523112 is a wasteful number, since it uses less digits than its factorization.

2001523112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10877872 (or 10877868 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2001523112 is about 44738.3852189593. The cubic root of 2001523112 is about 1260.2408022172.

Adding to 2001523112 its reverse (2113251002), we get a palindrome (4114774114).

The spelling of 2001523112 in words is "two billion, one million, five hundred twenty-three thousand, one hundred twelve".