2991133223323 has 4 divisors (see below), whose sum is σ = 3418437969520. Its totient is φ = 2563828477128.

The previous prime is 2991133223321. The next prime is 2991133223413. The reversal of 2991133223323 is 3233223311992.

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 2991133223323 - 2¹ = 2991133223321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2991133223323.

It is not an unprimeable number, because it can be changed into a prime (2991133223321) 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, 213652373088 + ... + 213652373101.

It is an arithmetic number, because the mean of its divisors is an integer number (854609492380).

Almost surely, 2^{2991133223323} is an apocalyptic number.

2991133223323 is a deficient number, since it is larger than the sum of its proper divisors (427304746197).

2991133223323 is an equidigital number, since it uses as much as digits as its factorization.

2991133223323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427304746196.

The product of its digits is 314928, while the sum is 43.

The spelling of 2991133223323 in words is "two trillion, nine hundred ninety-one billion, one hundred thirty-three million, two hundred twenty-three thousand, three hundred twenty-three".