196784734723 has 4 divisors (see below), whose sum is σ = 196790917968. Its totient is φ = 196778551480.

The previous prime is 196784734717. The next prime is 196784734771. The reversal of 196784734723 is 327437487691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327437487691 = 97 ⋅3375644203.

It is a cyclic number.

It is not a de Polignac number, because 196784734723 - 2¹³ = 196784726531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196784434723) 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, 3043636 + ... + 3107617.

It is an arithmetic number, because the mean of its divisors is an integer number (49197729492).

Almost surely, 2^196784734723 is an apocalyptic number.

196784734723 is a deficient number, since it is larger than the sum of its proper divisors (6183245).

196784734723 is an equidigital number, since it uses as much as digits as its factorization.

196784734723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183244.

The product of its digits is 42674688, while the sum is 61.

The spelling of 196784734723 in words is "one hundred ninety-six billion, seven hundred eighty-four million, seven hundred thirty-four thousand, seven hundred twenty-three".