523452320 has 96 divisors (see below), whose sum is σ = 1314306000. Its totient is φ = 196632576.

The previous prime is 523452313. The next prime is 523452379. The reversal of 523452320 is 23254325.

It can be written as a sum of positive squares in 8 ways, for example, as 232135696 + 291316624 = 15236^2 + 17068^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 523452320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170156 + ... + 173204.

Almost surely, 2^523452320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523452320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657153000).

523452320 is an abundant number, since it is smaller than the sum of its proper divisors (790853680).

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

523452320 is a wasteful number, since it uses less digits than its factorization.

523452320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130 (or 3122 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 523452320 is about 22879.0804011000. The cubic root of 523452320 is about 805.9208217328.

It can be divided in two parts, 52345 and 2320, that multiplied together give a square (121440400 = 11020²).

The spelling of 523452320 in words is "five hundred twenty-three million, four hundred fifty-two thousand, three hundred twenty".