531023832 has 96 divisors (see below), whose sum is σ = 1527692400. Its totient is φ = 166060032.

The previous prime is 531023821. The next prime is 531023851. The reversal of 531023832 is 238320135.

It is a junction number, because it is equal to n+sod(n) for n = 531023796 and 531023805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 571144 + ... + 572072.

Almost surely, 2^531023832 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 531023832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763846200).

531023832 is an abundant number, since it is smaller than the sum of its proper divisors (996668568).

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

531023832 is a wasteful number, since it uses less digits than its factorization.

531023832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1418 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 531023832 is about 23043.9543481582. The cubic root of 531023832 is about 809.7880012177.

Adding to 531023832 its reverse (238320135), we get a palindrome (769343967).

The spelling of 531023832 in words is "five hundred thirty-one million, twenty-three thousand, eight hundred thirty-two".