1001003133323 has 4 divisors (see below), whose sum is σ = 1001025601368. Its totient is φ = 1000980665280.

The previous prime is 1001003133293. The next prime is 1001003133401. The reversal of 1001003133323 is 3233313001001.

1001003133323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1001003133323 - 2¹⁶ = 1001003067787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001003133295 and 1001003133304.

It is not an unprimeable number, because it can be changed into a prime (1001003133523) 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, 11167061 + ... + 11256342.

It is an arithmetic number, because the mean of its divisors is an integer number (250256400342).

Almost surely, 2^{1001003133323} is an apocalyptic number.

1001003133323 is a deficient number, since it is larger than the sum of its proper divisors (22468045).

1001003133323 is an equidigital number, since it uses as much as digits as its factorization.

1001003133323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22468044.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 1001003133323 its reverse (3233313001001), we get a palindrome (4234316134324).

The spelling of 1001003133323 in words is "one trillion, one billion, three million, one hundred thirty-three thousand, three hundred twenty-three".