2001230023232 has 28 divisors (see below), whose sum is σ = 4332208176816. Its totient is φ = 909650010240.

The previous prime is 2001230023187. The next prime is 2001230023327. The reversal of 2001230023232 is 2323200321002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421327438 + ... + 1421328845.

Almost surely, 2^{2001230023232} is an apocalyptic number.

2001230023232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2001230023232 is an abundant number, since it is smaller than the sum of its proper divisors (2330978153584).

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

2001230023232 is a wasteful number, since it uses less digits than its factorization.

2001230023232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842656306 (or 2842656296 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 2001230023232 its reverse (2323200321002), we get a palindrome (4324430344234).

The spelling of 2001230023232 in words is "two trillion, one billion, two hundred thirty million, twenty-three thousand, two hundred thirty-two".