523000564538 has 8 divisors (see below), whose sum is σ = 825790365120. Its totient is φ = 247737109500.

The previous prime is 523000564531. The next prime is 523000564577. The reversal of 523000564538 is 835465000325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 523000564495 and 523000564504.

It is not an unprimeable number, because it can be changed into a prime (523000564531) 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, 6881586338 + ... + 6881586413.

It is an arithmetic number, because the mean of its divisors is an integer number (103223795640).

Almost surely, 2^523000564538 is an apocalyptic number.

523000564538 is a deficient number, since it is larger than the sum of its proper divisors (302789800582).

523000564538 is a wasteful number, since it uses less digits than its factorization.

523000564538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13763172772.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 523000564538 in words is "five hundred twenty-three billion, five hundred sixty-four thousand, five hundred thirty-eight".