513023001143 has 16 divisors (see below), whose sum is σ = 522407993184. Its totient is φ = 503726069760.

The previous prime is 513023001133. The next prime is 513023001157. The reversal of 513023001143 is 341100320315.

It is a cyclic number.

It is not a de Polignac number, because 513023001143 - 2²⁰ = 513021952567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513023001133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24055721 + ... + 24077037.

It is an arithmetic number, because the mean of its divisors is an integer number (32650499574).

Almost surely, 2^513023001143 is an apocalyptic number.

513023001143 is a deficient number, since it is larger than the sum of its proper divisors (9384992041).

513023001143 is a wasteful number, since it uses less digits than its factorization.

513023001143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23362.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 513023001143 its reverse (341100320315), we get a palindrome (854123321458).

The spelling of 513023001143 in words is "five hundred thirteen billion, twenty-three million, one thousand, one hundred forty-three".