2001312320233 has 8 divisors (see below), whose sum is σ = 2066310199296. Its totient is φ = 1936341904800.

The previous prime is 2001312320177. The next prime is 2001312320237. The reversal of 2001312320233 is 3320232131002.

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-2001312320233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001312320237) 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, 6717748 + ... + 7009333.

It is an arithmetic number, because the mean of its divisors is an integer number (258288774912).

Almost surely, 2^{2001312320233} is an apocalyptic number.

It is an amenable number.

2001312320233 is a deficient number, since it is larger than the sum of its proper divisors (64997879063).

2001312320233 is a wasteful number, since it uses less digits than its factorization.

2001312320233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13731815.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2001312320233 its reverse (3320232131002), we get a palindrome (5321544451235).

The spelling of 2001312320233 in words is "two trillion, one billion, three hundred twelve million, three hundred twenty thousand, two hundred thirty-three".