503423233437372 has 96 divisors (see below), whose sum is σ = 1244959688851200. Its totient is φ = 158048945241600.

The previous prime is 503423233437269. The next prime is 503423233437379. The reversal of 503423233437372 is 273734332324305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503423233437379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107441379 + ... + 112028997.

It is an arithmetic number, because the mean of its divisors is an integer number (12968330092200).

Almost surely, 2^{503423233437372} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503423233437372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622479844425600).

503423233437372 is an abundant number, since it is smaller than the sum of its proper divisors (741536455413828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503423233437372 is a wasteful number, since it uses less digits than its factorization.

503423233437372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595387 (or 4595385 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 51.

The spelling of 503423233437372 in words is "five hundred three trillion, four hundred twenty-three billion, two hundred thirty-three million, four hundred thirty-seven thousand, three hundred seventy-two".