500231023 has 4 divisors (see below), whose sum is σ = 500523408. Its totient is φ = 499938640.

The previous prime is 500230981. The next prime is 500231027. The reversal of 500231023 is 320132005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320132005 = 5 ⋅64026401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500231023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 500230988 and 500231006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500231027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143611 + ... + 147052.

It is an arithmetic number, because the mean of its divisors is an integer number (125130852).

Almost surely, 2^500231023 is an apocalyptic number.

500231023 is a deficient number, since it is larger than the sum of its proper divisors (292385).

500231023 is a wasteful number, since it uses less digits than its factorization.

500231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292384.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 500231023 is about 22365.8450097464. The cubic root of 500231023 is about 793.8227492129.

Adding to 500231023 its reverse (320132005), we get a palindrome (820363028).

The spelling of 500231023 in words is "five hundred million, two hundred thirty-one thousand, twenty-three".