2001123414 has 64 divisors (see below), whose sum is σ = 4788460800. Its totient is φ = 617145984.

The previous prime is 2001123407. The next prime is 2001123433. The reversal of 2001123414 is 4143211002.

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

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 35689 + ... + 72635.

It is an arithmetic number, because the mean of its divisors is an integer number (74819700).

Almost surely, 2^2001123414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001123414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2394230400).

2001123414 is an abundant number, since it is smaller than the sum of its proper divisors (2787337386).

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

2001123414 is a wasteful number, since it uses less digits than its factorization.

2001123414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37034 (or 37028 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2001123414 is about 44733.9179370643. The cubic root of 2001123414 is about 1260.1569078971.

Adding to 2001123414 its reverse (4143211002), we get a palindrome (6144334416).

The spelling of 2001123414 in words is "two billion, one million, one hundred twenty-three thousand, four hundred fourteen".