2001002130223 has 8 divisors (see below), whose sum is σ = 2091101683968. Its totient is φ = 1912882786584.

The previous prime is 2001002130217. The next prime is 2001002130227. The reversal of 2001002130223 is 3220312001002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001002130223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001002130197 and 2001002130206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001002130227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495050461 + ... + 495054502.

It is an arithmetic number, because the mean of its divisors is an integer number (261387710496).

Almost surely, 2^{2001002130223} is an apocalyptic number.

2001002130223 is a deficient number, since it is larger than the sum of its proper divisors (90099553745).

2001002130223 is an equidigital number, since it uses as much as digits as its factorization.

2001002130223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990105053.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2001002130223 its reverse (3220312001002), we get a palindrome (5221314131225).

The spelling of 2001002130223 in words is "two trillion, one billion, two million, one hundred thirty thousand, two hundred twenty-three".