523224464 has 20 divisors (see below), whose sum is σ = 1158568704. Its totient is φ = 224239008.

The previous prime is 523224463. The next prime is 523224497. The reversal of 523224464 is 464422325.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 523224464.

It is not an unprimeable number, because it can be changed into a prime (523224463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2335712 + ... + 2335935.

Almost surely, 2^523224464 is an apocalyptic number.

It is an amenable number.

523224464 is an abundant number, since it is smaller than the sum of its proper divisors (635344240).

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

523224464 is a wasteful number, since it uses less digits than its factorization.

523224464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671662 (or 4671656 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 523224464 is about 22874.1002883174. The cubic root of 523224464 is about 805.8038670844.

Adding to 523224464 its reverse (464422325), we get a palindrome (987646789).

The spelling of 523224464 in words is "five hundred twenty-three million, two hundred twenty-four thousand, four hundred sixty-four".