191385829023 has 8 divisors (see below), whose sum is σ = 266275936128. Its totient is φ = 122043137304.

The previous prime is 191385829013. The next prime is 191385829073. The reversal of 191385829023 is 320928583191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 191385829023 - 2⁴ = 191385829007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191385829003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1386853765 + ... + 1386853902.

It is an arithmetic number, because the mean of its divisors is an integer number (33284492016).

Almost surely, 2^191385829023 is an apocalyptic number.

191385829023 is a deficient number, since it is larger than the sum of its proper divisors (74890107105).

191385829023 is a wasteful number, since it uses less digits than its factorization.

191385829023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773707693.

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 191385829023 in words is "one hundred ninety-one billion, three hundred eighty-five million, eight hundred twenty-nine thousand, twenty-three".