2001232103047 has 2 divisors, whose sum is σ = 2001232103048. Its totient is φ = 2001232103046.

The previous prime is 2001232103029. The next prime is 2001232103147. The reversal of 2001232103047 is 7403012321002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001232103047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001232103147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000616051523 + 1000616051524.

It is an arithmetic number, because the mean of its divisors is an integer number (1000616051524).

Almost surely, 2^{2001232103047} is an apocalyptic number.

2001232103047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001232103047 is an equidigital number, since it uses as much as digits as its factorization.

2001232103047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 2001232103047 its reverse (7403012321002), we get a palindrome (9404244424049).

The spelling of 2001232103047 in words is "two trillion, one billion, two hundred thirty-two million, one hundred three thousand, forty-seven".