514520520323143 has 4 divisors (see below), whose sum is σ = 517494627377208. Its totient is φ = 511546413269080.

The previous prime is 514520520323101. The next prime is 514520520323153. The reversal of 514520520323143 is 341323025025415.

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-514520520323143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 514520520323096 and 514520520323105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514520520323153) 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, 1487053526773 + ... + 1487053527118.

It is an arithmetic number, because the mean of its divisors is an integer number (129373656844302).

Almost surely, 2^{514520520323143} is an apocalyptic number.

514520520323143 is a deficient number, since it is larger than the sum of its proper divisors (2974107054065).

514520520323143 is a wasteful number, since it uses less digits than its factorization.

514520520323143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974107054064.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 514520520323143 its reverse (341323025025415), we get a palindrome (855843545348558).

The spelling of 514520520323143 in words is "five hundred fourteen trillion, five hundred twenty billion, five hundred twenty million, three hundred twenty-three thousand, one hundred forty-three".