523742197 has 8 divisors (see below), whose sum is σ = 583512192. Its totient is φ = 465998400.

The previous prime is 523742189. The next prime is 523742203. The reversal of 523742197 is 791247325.

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 523742197 - 2³ = 523742189 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 (523742497) 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, 506004 + ... + 507037.

It is an arithmetic number, because the mean of its divisors is an integer number (72939024).

Almost surely, 2^523742197 is an apocalyptic number.

It is an amenable number.

523742197 is a deficient number, since it is larger than the sum of its proper divisors (59769995).

523742197 is a wasteful number, since it uses less digits than its factorization.

523742197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013099.

The product of its digits is 105840, while the sum is 40.

The square root of 523742197 is about 22885.4145035654. The cubic root of 523742197 is about 806.0695616722.

The spelling of 523742197 in words is "five hundred twenty-three million, seven hundred forty-two thousand, one hundred ninety-seven".