503234315421 has 8 divisors (see below), whose sum is σ = 671738976480. Its totient is φ = 335109598992.

The previous prime is 503234315417. The next prime is 503234315431. The reversal of 503234315421 is 124513432305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 503234315421 - 2² = 503234315417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503234315411) 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 7 ways as a sum of consecutive naturals, for example, 94983066 + ... + 94988363.

It is an arithmetic number, because the mean of its divisors is an integer number (83967372060).

Almost surely, 2^503234315421 is an apocalyptic number.

It is an amenable number.

503234315421 is a deficient number, since it is larger than the sum of its proper divisors (168504661059).

503234315421 is a wasteful number, since it uses less digits than its factorization.

503234315421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189972315.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 503234315421 its reverse (124513432305), we get a palindrome (627747747726).

The spelling of 503234315421 in words is "five hundred three billion, two hundred thirty-four million, three hundred fifteen thousand, four hundred twenty-one".