2001230424 has 96 divisors (see below), whose sum is σ = 5516877600. Its totient is φ = 655226880.

The previous prime is 2001230419. The next prime is 2001230453. The reversal of 2001230424 is 4240321002.

2001230424 is a `hidden beast` number, since 200 + 12 + 30 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2001230397 and 2001230406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1803982 + ... + 1805090.

It is an arithmetic number, because the mean of its divisors is an integer number (57467475).

Almost surely, 2^2001230424 is an apocalyptic number.

2001230424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001230424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2758438800).

2001230424 is an abundant number, since it is smaller than the sum of its proper divisors (3515647176).

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

2001230424 is a wasteful number, since it uses less digits than its factorization.

2001230424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545 (or 1538 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2001230424 is about 44735.1139933721. The cubic root of 2001230424 is about 1260.1793697779.

Adding to 2001230424 its reverse (4240321002), we get a palindrome (6241551426).

The spelling of 2001230424 in words is "two billion, one million, two hundred thirty thousand, four hundred twenty-four".