196523711 has 4 divisors (see below), whose sum is σ = 198024024. Its totient is φ = 195023400.

The previous prime is 196523693. The next prime is 196523741. The reversal of 196523711 is 117325691.

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 196523711 - 2¹⁴ = 196507327 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 (196523741) 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, 749960 + ... + 750221.

It is an arithmetic number, because the mean of its divisors is an integer number (49506006).

Almost surely, 2^196523711 is an apocalyptic number.

196523711 is a deficient number, since it is larger than the sum of its proper divisors (1500313).

196523711 is a wasteful number, since it uses less digits than its factorization.

196523711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500312.

The product of its digits is 11340, while the sum is 35.

The square root of 196523711 is about 14018.6914867259. The cubic root of 196523711 is about 581.3954814322.

The spelling of 196523711 in words is "one hundred ninety-six million, five hundred twenty-three thousand, seven hundred eleven".