513871800023 has 8 divisors (see below), whose sum is σ = 518226680400. Its totient is φ = 509529000960.

The previous prime is 513871799983. The next prime is 513871800067. The reversal of 513871800023 is 320008178315.

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 513871800023 - 2⁸ = 513871799767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513871800023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513871800523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2934890 + ... + 3105047.

It is an arithmetic number, because the mean of its divisors is an integer number (64778335050).

Almost surely, 2^513871800023 is an apocalyptic number.

513871800023 is a deficient number, since it is larger than the sum of its proper divisors (4354880377).

513871800023 is a wasteful number, since it uses less digits than its factorization.

513871800023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6040657.

The product of its (nonzero) digits is 40320, while the sum is 38.

Adding to 513871800023 its reverse (320008178315), we get a palindrome (833879978338).

The spelling of 513871800023 in words is "five hundred thirteen billion, eight hundred seventy-one million, eight hundred thousand, twenty-three".