505230045203 has 4 divisors (see below), whose sum is σ = 544093894848. Its totient is φ = 466366195560.

The previous prime is 505230045193. The next prime is 505230045217. The reversal of 505230045203 is 302540032505.

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 505230045203 - 2²⁰ = 505228996627 is a prime.

It is a super-2 number, since 2×505230045203² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505230041203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19431924803 + ... + 19431924828.

It is an arithmetic number, because the mean of its divisors is an integer number (136023473712).

Almost surely, 2^505230045203 is an apocalyptic number.

505230045203 is a deficient number, since it is larger than the sum of its proper divisors (38863849645).

505230045203 is a wasteful number, since it uses less digits than its factorization.

505230045203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38863849644.

The product of its (nonzero) digits is 18000, while the sum is 29.

Adding to 505230045203 its reverse (302540032505), we get a palindrome (807770077708).

The spelling of 505230045203 in words is "five hundred five billion, two hundred thirty million, forty-five thousand, two hundred three".