196523147 has 6 divisors (see below), whose sum is σ = 197594124. Its totient is φ = 195457940.

The previous prime is 196523143. The next prime is 196523149. The reversal of 196523147 is 741325691.

It is not a de Polignac number, because 196523147 - 2² = 196523143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196523147.

It is not an unprimeable number, because it can be changed into a prime (196523141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33788 + ... + 39174.

It is an arithmetic number, because the mean of its divisors is an integer number (32932354).

Almost surely, 2^196523147 is an apocalyptic number.

196523147 is a deficient number, since it is larger than the sum of its proper divisors (1070977).

196523147 is an frugal number, since it uses more digits than its factorization.

196523147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5769 (or 5578 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 196523147 is about 14018.6713707113. The cubic root of 196523147 is about 581.3949252528.

The spelling of 196523147 in words is "one hundred ninety-six million, five hundred twenty-three thousand, one hundred forty-seven".