196085578723 has 4 divisors (see below), whose sum is σ = 206405872360. Its totient is φ = 185765285088.

The previous prime is 196085578697. The next prime is 196085578751. The reversal of 196085578723 is 327875580691.

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 196085578723 - 2²¹ = 196083481571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196085578523) 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, 5160146790 + ... + 5160146827.

It is an arithmetic number, because the mean of its divisors is an integer number (51601468090).

Almost surely, 2^196085578723 is an apocalyptic number.

196085578723 is a deficient number, since it is larger than the sum of its proper divisors (10320293637).

196085578723 is a wasteful number, since it uses less digits than its factorization.

196085578723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10320293636.

The product of its (nonzero) digits is 25401600, while the sum is 61.

The spelling of 196085578723 in words is "one hundred ninety-six billion, eighty-five million, five hundred seventy-eight thousand, seven hundred twenty-three".