2001241544223 has 4 divisors (see below), whose sum is σ = 2668322058968. Its totient is φ = 1334161029480.

The previous prime is 2001241544201. The next prime is 2001241544273. The reversal of 2001241544223 is 3224451421002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2001241544223 - 2¹² = 2001241540127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001241544273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333540257368 + ... + 333540257373.

It is an arithmetic number, because the mean of its divisors is an integer number (667080514742).

Almost surely, 2^{2001241544223} is an apocalyptic number.

2001241544223 is a deficient number, since it is larger than the sum of its proper divisors (667080514745).

2001241544223 is an equidigital number, since it uses as much as digits as its factorization.

2001241544223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667080514744.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 2001241544223 its reverse (3224451421002), we get a palindrome (5225692965225).

The spelling of 2001241544223 in words is "two trillion, one billion, two hundred forty-one million, five hundred forty-four thousand, two hundred twenty-three".