985837523 has 24 divisors (see below), whose sum is σ = 1131411456. Its totient is φ = 851800400.

The previous prime is 985837511. The next prime is 985837537. The reversal of 985837523 is 325738589.

It is not a de Polignac number, because 985837523 - 2⁴ = 985837507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985837543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1110986 + ... + 1111872.

It is an arithmetic number, because the mean of its divisors is an integer number (47142144).

Almost surely, 2^985837523 is an apocalyptic number.

985837523 is a deficient number, since it is larger than the sum of its proper divisors (145573933).

985837523 is a wasteful number, since it uses less digits than its factorization.

985837523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1112 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The square root of 985837523 is about 31398.0496687294. The cubic root of 985837523 is about 995.2567111167.

The spelling of 985837523 in words is "nine hundred eighty-five million, eight hundred thirty-seven thousand, five hundred twenty-three".