1001231330023 has 4 divisors (see below), whose sum is σ = 1001434383288. Its totient is φ = 1001028276760.

The previous prime is 1001231330017. The next prime is 1001231330069. The reversal of 1001231330023 is 3200331321001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001231330023 - 2²⁹ = 1000694459111 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 (1001231330083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101519236 + ... + 101529097.

It is an arithmetic number, because the mean of its divisors is an integer number (250358595822).

Almost surely, 2^{1001231330023} is an apocalyptic number.

1001231330023 is a deficient number, since it is larger than the sum of its proper divisors (203053265).

1001231330023 is an equidigital number, since it uses as much as digits as its factorization.

1001231330023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203053264.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1001231330023 its reverse (3200331321001), we get a palindrome (4201562651024).

The spelling of 1001231330023 in words is "one trillion, one billion, two hundred thirty-one million, three hundred thirty thousand, twenty-three".