523722324 has 12 divisors (see below), whose sum is σ = 1222018784. Its totient is φ = 174574104.

The previous prime is 523722319. The next prime is 523722359. The reversal of 523722324 is 423227325.

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

It is a junction number, because it is equal to n+sod(n) for n = 523722291 and 523722300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21821752 + ... + 21821775.

Almost surely, 2^523722324 is an apocalyptic number.

It is an amenable number.

523722324 is an abundant number, since it is smaller than the sum of its proper divisors (698296460).

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

523722324 is a wasteful number, since it uses less digits than its factorization.

523722324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43643534 (or 43643532 counting only the distinct ones).

The product of its digits is 20160, while the sum is 30.

The square root of 523722324 is about 22884.9803146081. The cubic root of 523722324 is about 806.0593663107.

Adding to 523722324 its reverse (423227325), we get a palindrome (946949649).

The spelling of 523722324 in words is "five hundred twenty-three million, seven hundred twenty-two thousand, three hundred twenty-four".