191272823396 has 12 divisors (see below), whose sum is σ = 334743573360. Its totient is φ = 95631802440.

The previous prime is 191272823351. The next prime is 191272823407. The reversal of 191272823396 is 693328272191.

191272823396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058090 + ... + 1225601.

It is an arithmetic number, because the mean of its divisors is an integer number (27895297780).

Almost surely, 2^191272823396 is an apocalyptic number.

It is an amenable number.

191272823396 is a deficient number, since it is larger than the sum of its proper divisors (143470749964).

191272823396 is a wasteful number, since it uses less digits than its factorization.

191272823396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304634 (or 2304632 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The spelling of 191272823396 in words is "one hundred ninety-one billion, two hundred seventy-two million, eight hundred twenty-three thousand, three hundred ninety-six".