523434228 has 12 divisors (see below), whose sum is σ = 1221346560. Its totient is φ = 174478072.

The previous prime is 523434221. The next prime is 523434269. The reversal of 523434228 is 822434325.

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 (523434221) 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, 21809748 + ... + 21809771.

It is an arithmetic number, because the mean of its divisors is an integer number (101778880).

Almost surely, 2^523434228 is an apocalyptic number.

It is an amenable number.

523434228 is an abundant number, since it is smaller than the sum of its proper divisors (697912332).

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

523434228 is a wasteful number, since it uses less digits than its factorization.

523434228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43619526 (or 43619524 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 523434228 is about 22878.6850146594. The cubic root of 523434228 is about 805.9115366544.

The spelling of 523434228 in words is "five hundred twenty-three million, four hundred thirty-four thousand, two hundred twenty-eight".