503213123315 has 16 divisors (see below), whose sum is σ = 690133099968. Its totient is φ = 345054304896.

The previous prime is 503213123261. The next prime is 503213123317. The reversal of 503213123315 is 513321312305.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-503213123315 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503213123317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2856329 + ... + 3027381.

It is an arithmetic number, because the mean of its divisors is an integer number (43133318748).

Almost surely, 2^503213123315 is an apocalyptic number.

503213123315 is a deficient number, since it is larger than the sum of its proper divisors (186919976653).

503213123315 is a wasteful number, since it uses less digits than its factorization.

503213123315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255118.

The product of its (nonzero) digits is 8100, while the sum is 29.

The spelling of 503213123315 in words is "five hundred three billion, two hundred thirteen million, one hundred twenty-three thousand, three hundred fifteen".