423506203124215 has 16 divisors (see below), whose sum is σ = 520046655863328. Its totient is φ = 330912773646336.

The previous prime is 423506203124209. The next prime is 423506203124239. The reversal of 423506203124215 is 512421302605324.

It is not a de Polignac number, because 423506203124215 - 2⁵ = 423506203124183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33215442 + ... + 44161951.

It is an arithmetic number, because the mean of its divisors is an integer number (32502915991458).

Almost surely, 2^{423506203124215} is an apocalyptic number.

423506203124215 is a deficient number, since it is larger than the sum of its proper divisors (96540452739113).

423506203124215 is a wasteful number, since it uses less digits than its factorization.

423506203124215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77402898.

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 423506203124215 its reverse (512421302605324), we get a palindrome (935927505729539).

The spelling of 423506203124215 in words is "four hundred twenty-three trillion, five hundred six billion, two hundred three million, one hundred twenty-four thousand, two hundred fifteen".