523345197 has 16 divisors (see below), whose sum is σ = 745895808. Its totient is φ = 325585920.

The previous prime is 523345183. The next prime is 523345219. The reversal of 523345197 is 791543325.

It is a happy number.

It is not a de Polignac number, because 523345197 - 2⁴ = 523345181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523345117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89668 + ... + 95325.

It is an arithmetic number, because the mean of its divisors is an integer number (46618488).

Almost surely, 2^523345197 is an apocalyptic number.

It is an amenable number.

523345197 is a deficient number, since it is larger than the sum of its proper divisors (222550611).

523345197 is a wasteful number, since it uses less digits than its factorization.

523345197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185060.

The product of its digits is 113400, while the sum is 39.

The square root of 523345197 is about 22876.7392125714. The cubic root of 523345197 is about 805.8658415287.

The spelling of 523345197 in words is "five hundred twenty-three million, three hundred forty-five thousand, one hundred ninety-seven".