513322423 has 8 divisors (see below), whose sum is σ = 531049392. Its totient is φ = 495798336.

The previous prime is 513322421. The next prime is 513322427. The reversal of 513322423 is 324223315.

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 513322423 - 2¹ = 513322421 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 (513322421) 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, 45565 + ... + 55702.

It is an arithmetic number, because the mean of its divisors is an integer number (66381174).

Almost surely, 2^513322423 is an apocalyptic number.

513322423 is a deficient number, since it is larger than the sum of its proper divisors (17726969).

513322423 is a wasteful number, since it uses less digits than its factorization.

513322423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101441.

The product of its digits is 4320, while the sum is 25.

The square root of 513322423 is about 22656.6198493950. The cubic root of 513322423 is about 800.6881698373.

Adding to 513322423 its reverse (324223315), we get a palindrome (837545738).

It can be divided in two parts, 5133 and 22423, that added together give a square (27556 = 166²).

The spelling of 513322423 in words is "five hundred thirteen million, three hundred twenty-two thousand, four hundred twenty-three".