523243252 has 24 divisors (see below), whose sum is σ = 1047844224. Its totient is φ = 223956192.

The previous prime is 523243247. The next prime is 523243283. The reversal of 523243252 is 252342325.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 523243252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10593 + ... + 34039.

It is an arithmetic number, because the mean of its divisors is an integer number (43660176).

Almost surely, 2^523243252 is an apocalyptic number.

It is an amenable number.

523243252 is an abundant number, since it is smaller than the sum of its proper divisors (524600972).

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

523243252 is a wasteful number, since it uses less digits than its factorization.

523243252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24255 (or 24253 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 523243252 is about 22874.5109674502. The cubic root of 523243252 is about 805.8135119327.

Adding to 523243252 its reverse (252342325), we get a palindrome (775585577).

It can be divided in two parts, 5232 and 43252, that added together give a palindrome (48484).

The spelling of 523243252 in words is "five hundred twenty-three million, two hundred forty-three thousand, two hundred fifty-two".