523123284 has 12 divisors (see below), whose sum is σ = 1220621024. Its totient is φ = 174374424.

The previous prime is 523123283. The next prime is 523123297. The reversal of 523123284 is 482321325.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523123283) 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, 21796792 + ... + 21796815.

Almost surely, 2^523123284 is an apocalyptic number.

It is an amenable number.

523123284 is an abundant number, since it is smaller than the sum of its proper divisors (697497740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523123284 is a wasteful number, since it uses less digits than its factorization.

523123284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43593614 (or 43593612 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 523123284 is about 22871.8885096968. Note that the first 3 decimals coincide. The cubic root of 523123284 is about 805.7519222073.

The spelling of 523123284 in words is "five hundred twenty-three million, one hundred twenty-three thousand, two hundred eighty-four".