196523713 has 4 divisors (see below), whose sum is σ = 197306928. Its totient is φ = 195740500.

The previous prime is 196523693. The next prime is 196523741. The reversal of 196523713 is 317325691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 317325691 = 41 ⋅7739651.

It is a cyclic number.

It is not a de Polignac number, because 196523713 - 2¹³ = 196515521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196523773) 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, 391231 + ... + 391732.

It is an arithmetic number, because the mean of its divisors is an integer number (49326732).

Almost surely, 2^196523713 is an apocalyptic number.

It is an amenable number.

196523713 is a deficient number, since it is larger than the sum of its proper divisors (783215).

196523713 is an equidigital number, since it uses as much as digits as its factorization.

196523713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783214.

The product of its digits is 34020, while the sum is 37.

The square root of 196523713 is about 14018.6915580592. The cubic root of 196523713 is about 581.3954834045.

The spelling of 196523713 in words is "one hundred ninety-six million, five hundred twenty-three thousand, seven hundred thirteen".