523356672 has 160 divisors (see below), whose sum is σ = 1492761600. Its totient is φ = 162459648.

The previous prime is 523356671. The next prime is 523356683. The reversal of 523356672 is 276653325.

It is a super-2 number, since 2×523356672² = 547804412253831168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 523356672.

It is not an unprimeable number, because it can be changed into a prime (523356671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2305423 + ... + 2305649.

It is an arithmetic number, because the mean of its divisors is an integer number (9329760).

Almost surely, 2^523356672 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 523356672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746380800).

523356672 is an abundant number, since it is smaller than the sum of its proper divisors (969404928).

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

523356672 is a wasteful number, since it uses less digits than its factorization.

523356672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 330 counting only the distinct ones).

The product of its digits is 226800, while the sum is 39.

The square root of 523356672 is about 22876.9900118001. The cubic root of 523356672 is about 805.8717313589.

The spelling of 523356672 in words is "five hundred twenty-three million, three hundred fifty-six thousand, six hundred seventy-two".