196491598423 has 8 divisors (see below), whose sum is σ = 208128573792. Its totient is φ = 184863361536.

The previous prime is 196491598409. The next prime is 196491598477. The reversal of 196491598423 is 324895194691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196491598423 - 2¹⁷ = 196491467351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196491598403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2138290 + ... + 2228287.

It is an arithmetic number, because the mean of its divisors is an integer number (26016071724).

Almost surely, 2^196491598423 is an apocalyptic number.

196491598423 is a deficient number, since it is larger than the sum of its proper divisors (11636975369).

196491598423 is a wasteful number, since it uses less digits than its factorization.

196491598423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369241.

The product of its digits is 16796160, while the sum is 61.

The spelling of 196491598423 in words is "one hundred ninety-six billion, four hundred ninety-one million, five hundred ninety-eight thousand, four hundred twenty-three".