503323432 has 32 divisors (see below), whose sum is σ = 974939400. Its totient is φ = 243419904.

The previous prime is 503323427. The next prime is 503323441. The reversal of 503323432 is 234323305.

It can be written as a sum of positive squares in 4 ways, for example, as 454798276 + 48525156 = 21326^2 + 6966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 503323397 and 503323406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46294 + ... + 56122.

Almost surely, 2^503323432 is an apocalyptic number.

It is an amenable number.

503323432 is a deficient number, since it is larger than the sum of its proper divisors (471615968).

503323432 is a wasteful number, since it uses less digits than its factorization.

503323432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10045 (or 10041 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 25.

The square root of 503323432 is about 22434.8708933214. The cubic root of 503323432 is about 795.4551838677.

Adding to 503323432 its reverse (234323305), we get a palindrome (737646737).

The spelling of 503323432 in words is "five hundred three million, three hundred twenty-three thousand, four hundred thirty-two".