505231012434123 has 24 divisors (see below), whose sum is σ = 741120994195920. Its totient is φ = 331622767425600.

The previous prime is 505231012433989. The next prime is 505231012434131. The reversal of 505231012434123 is 321434210132505.

505231012434123 is a `hidden beast` number, since 5 + 0 + 5 + 231 + 0 + 1 + 2 + 4 + 3 + 412 + 3 = 666.

It is not a de Polignac number, because 505231012434123 - 2⁹ = 505231012433611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505231012434163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1552378336 + ... + 1552703757.

It is an arithmetic number, because the mean of its divisors is an integer number (30880041424830).

Almost surely, 2^{505231012434123} is an apocalyptic number.

505231012434123 is a deficient number, since it is larger than the sum of its proper divisors (235889981761797).

505231012434123 is a wasteful number, since it uses less digits than its factorization.

505231012434123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105082379 (or 3105082376 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 505231012434123 its reverse (321434210132505), we get a palindrome (826665222566628).

The spelling of 505231012434123 in words is "five hundred five trillion, two hundred thirty-one billion, twelve million, four hundred thirty-four thousand, one hundred twenty-three".