2001003012323 has 16 divisors (see below), whose sum is σ = 2416588331520. Its totient is φ = 1618552129536.

The previous prime is 2001003012311. The next prime is 2001003012377. The reversal of 2001003012323 is 3232103001002.

It is a cyclic number.

It is not a de Polignac number, because 2001003012323 - 2¹⁴ = 2001002995939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001003012223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29236511 + ... + 29304872.

It is an arithmetic number, because the mean of its divisors is an integer number (151036770720).

Almost surely, 2^{2001003012323} is an apocalyptic number.

2001003012323 is a deficient number, since it is larger than the sum of its proper divisors (415585319197).

2001003012323 is a wasteful number, since it uses less digits than its factorization.

2001003012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58541666.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 2001003012323 its reverse (3232103001002), we get a palindrome (5233106013325).

The spelling of 2001003012323 in words is "two trillion, one billion, three million, twelve thousand, three hundred twenty-three".