523221234 has 16 divisors (see below), whose sum is σ = 1050017472. Its totient is φ = 173811248.

The previous prime is 523221233. The next prime is 523221287. The reversal of 523221234 is 432122325.

It is not an unprimeable number, because it can be changed into a prime (523221233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147054 + ... + 150569.

It is an arithmetic number, because the mean of its divisors is an integer number (65626092).

Almost surely, 2^523221234 is an apocalyptic number.

523221234 is an abundant number, since it is smaller than the sum of its proper divisors (526796238).

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

523221234 is a wasteful number, since it uses less digits than its factorization.

523221234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297921.

The product of its digits is 2880, while the sum is 24.

The square root of 523221234 is about 22874.0296843385. The cubic root of 523221234 is about 805.8022089357.

Adding to 523221234 its reverse (432122325), we get a palindrome (955343559).

The spelling of 523221234 in words is "five hundred twenty-three million, two hundred twenty-one thousand, two hundred thirty-four".