513422634423 has 32 divisors (see below), whose sum is σ = 723402400000. Its totient is φ = 323004713472.

The previous prime is 513422634409. The next prime is 513422634467. The reversal of 513422634423 is 324436224315.

It is not a de Polignac number, because 513422634423 - 2²⁰ = 513421585847 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 (513422634493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20059248 + ... + 20084826.

It is an arithmetic number, because the mean of its divisors is an integer number (22606325000).

Almost surely, 2^513422634423 is an apocalyptic number.

513422634423 is a deficient number, since it is larger than the sum of its proper divisors (209979765577).

513422634423 is a wasteful number, since it uses less digits than its factorization.

513422634423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26959.

The product of its digits is 414720, while the sum is 39.

Adding to 513422634423 its reverse (324436224315), we get a palindrome (837858858738).

The spelling of 513422634423 in words is "five hundred thirteen billion, four hundred twenty-two million, six hundred thirty-four thousand, four hundred twenty-three".