503223023231 has 4 divisors (see below), whose sum is σ = 504247917864. Its totient is φ = 502198128600.

The previous prime is 503223023221. The next prime is 503223023257. The reversal of 503223023231 is 132320322305.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 503223023231 - 2⁶ = 503223023167 is a prime.

It is a super-2 number, since 2×503223023231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503223023231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503223023221) 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, 512446580 + ... + 512447561.

It is an arithmetic number, because the mean of its divisors is an integer number (126061979466).

Almost surely, 2^503223023231 is an apocalyptic number.

503223023231 is a deficient number, since it is larger than the sum of its proper divisors (1024894633).

503223023231 is a wasteful number, since it uses less digits than its factorization.

503223023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024894632.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 503223023231 its reverse (132320322305), we get a palindrome (635543345536).

The spelling of 503223023231 in words is "five hundred three billion, two hundred twenty-three million, twenty-three thousand, two hundred thirty-one".