197296317923 has 4 divisors (see below), whose sum is σ = 199330300680. Its totient is φ = 195262335168.

The previous prime is 197296317919. The next prime is 197296317941. The reversal of 197296317923 is 329713692791.

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 197296317923 - 2² = 197296317919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197296317913) 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, 1016991233 + ... + 1016991426.

It is an arithmetic number, because the mean of its divisors is an integer number (49832575170).

Almost surely, 2^197296317923 is an apocalyptic number.

197296317923 is a deficient number, since it is larger than the sum of its proper divisors (2033982757).

197296317923 is an equidigital number, since it uses as much as digits as its factorization.

197296317923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033982756.

The product of its digits is 7715736, while the sum is 59.

The spelling of 197296317923 in words is "one hundred ninety-seven billion, two hundred ninety-six million, three hundred seventeen thousand, nine hundred twenty-three".