191330013212323 has 4 divisors (see below), whose sum is σ = 191400588653328. Its totient is φ = 191259437771320.

The previous prime is 191330013212213. The next prime is 191330013212347. The reversal of 191330013212323 is 323212310033191.

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 191330013212323 - 2²⁹ = 191329476341411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (191330013212363) 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, 35287716436 + ... + 35287721857.

It is an arithmetic number, because the mean of its divisors is an integer number (47850147163332).

Almost surely, 2^{191330013212323} is an apocalyptic number.

191330013212323 is a deficient number, since it is larger than the sum of its proper divisors (70575441005).

191330013212323 is an equidigital number, since it uses as much as digits as its factorization.

191330013212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70575441004.

The product of its (nonzero) digits is 17496, while the sum is 34.

The spelling of 191330013212323 in words is "one hundred ninety-one trillion, three hundred thirty billion, thirteen million, two hundred twelve thousand, three hundred twenty-three".