504120501044323 has 4 divisors (see below), whose sum is σ = 526038783698448. Its totient is φ = 482202218390200.

The previous prime is 504120501044297. The next prime is 504120501044351. The reversal of 504120501044323 is 323440105021405.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504120501044323 is a prime.

It is a super-2 number, since 2×504120501044323² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504120501044353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10959141327028 + ... + 10959141327073.

It is an arithmetic number, because the mean of its divisors is an integer number (131509695924612).

Almost surely, 2^{504120501044323} is an apocalyptic number.

504120501044323 is a deficient number, since it is larger than the sum of its proper divisors (21918282654125).

504120501044323 is a wasteful number, since it uses less digits than its factorization.

504120501044323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21918282654124.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 504120501044323 its reverse (323440105021405), we get a palindrome (827560606065728).

The spelling of 504120501044323 in words is "five hundred four trillion, one hundred twenty billion, five hundred one million, forty-four thousand, three hundred twenty-three".