503344023 has 36 divisors (see below), whose sum is σ = 845411688. Its totient is φ = 265487040.

The previous prime is 503344013. The next prime is 503344031. The reversal of 503344023 is 320443305.

It is not a de Polignac number, because 503344023 - 2²⁵ = 469789591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503343984 and 503344002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503344013) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14713 + ... + 34973.

It is an arithmetic number, because the mean of its divisors is an integer number (23483658).

Almost surely, 2^503344023 is an apocalyptic number.

503344023 is a deficient number, since it is larger than the sum of its proper divisors (342067665).

503344023 is a wasteful number, since it uses less digits than its factorization.

503344023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20304 (or 20284 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 503344023 is about 22435.3297947679. The cubic root of 503344023 is about 795.4660310972.

Adding to 503344023 its reverse (320443305), we get a palindrome (823787328).

The spelling of 503344023 in words is "five hundred three million, three hundred forty-four thousand, twenty-three".