196510547723 has 4 divisors (see below), whose sum is σ = 224583483120. Its totient is φ = 168437612328.

The previous prime is 196510547719. The next prime is 196510547741. The reversal of 196510547723 is 327745015691.

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 196510547723 - 2² = 196510547719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196510547713) 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, 14036467688 + ... + 14036467701.

It is an arithmetic number, because the mean of its divisors is an integer number (56145870780).

Almost surely, 2^196510547723 is an apocalyptic number.

196510547723 is a deficient number, since it is larger than the sum of its proper divisors (28072935397).

196510547723 is an equidigital number, since it uses as much as digits as its factorization.

196510547723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28072935396.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 196510547723 in words is "one hundred ninety-six billion, five hundred ten million, five hundred forty-seven thousand, seven hundred twenty-three".