500513140123 has 8 divisors (see below), whose sum is σ = 530737900992. Its totient is φ = 470375358336.

The previous prime is 500513140091. The next prime is 500513140129. The reversal of 500513140123 is 321041315005.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 500513140123 - 2⁵ = 500513140091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500513140129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21732915 + ... + 21755932.

It is an arithmetic number, because the mean of its divisors is an integer number (66342237624).

Almost surely, 2^500513140123 is an apocalyptic number.

500513140123 is a deficient number, since it is larger than the sum of its proper divisors (30224760869).

500513140123 is a wasteful number, since it uses less digits than its factorization.

500513140123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43489541.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 500513140123 its reverse (321041315005), we get a palindrome (821554455128).

The spelling of 500513140123 in words is "five hundred billion, five hundred thirteen million, one hundred forty thousand, one hundred twenty-three".