1001133303223 has 4 divisors (see below), whose sum is σ = 1011045514248. Its totient is φ = 991221092200.

The previous prime is 1001133303193. The next prime is 1001133303281. The reversal of 1001133303223 is 3223033311001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001133303223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001133303194 and 1001133303203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001133303293) 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, 4956105361 + ... + 4956105562.

It is an arithmetic number, because the mean of its divisors is an integer number (252761378562).

Almost surely, 2^{1001133303223} is an apocalyptic number.

1001133303223 is a deficient number, since it is larger than the sum of its proper divisors (9912211025).

1001133303223 is an equidigital number, since it uses as much as digits as its factorization.

1001133303223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9912211024.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1001133303223 its reverse (3223033311001), we get a palindrome (4224166614224).

The spelling of 1001133303223 in words is "one trillion, one billion, one hundred thirty-three million, three hundred three thousand, two hundred twenty-three".