523580342 has 4 divisors (see below), whose sum is σ = 785370516. Its totient is φ = 261790170.

The previous prime is 523580339. The next prime is 523580347. The reversal of 523580342 is 243085325.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 523580299 and 523580308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523580347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130895084 + ... + 130895087.

It is an arithmetic number, because the mean of its divisors is an integer number (196342629).

Almost surely, 2^523580342 is an apocalyptic number.

523580342 is a deficient number, since it is larger than the sum of its proper divisors (261790174).

523580342 is a wasteful number, since it uses less digits than its factorization.

523580342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261790173.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 523580342 is about 22881.8780260712. The cubic root of 523580342 is about 805.9865183788.

The spelling of 523580342 in words is "five hundred twenty-three million, five hundred eighty thousand, three hundred forty-two".