513324423 has 12 divisors (see below), whose sum is σ = 742143480. Its totient is φ = 341904816.

The previous prime is 513324403. The next prime is 513324437. The reversal of 513324423 is 324423315.

It is not a de Polignac number, because 513324423 - 2⁸ = 513324167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513324403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15288 + ... + 35501.

It is an arithmetic number, because the mean of its divisors is an integer number (61845290).

Almost surely, 2^513324423 is an apocalyptic number.

513324423 is a deficient number, since it is larger than the sum of its proper divisors (228819057).

513324423 is a wasteful number, since it uses less digits than its factorization.

513324423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51918 (or 51915 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 513324423 is about 22656.6639865625. The cubic root of 513324423 is about 800.6892097128.

Adding to 513324423 its reverse (324423315), we get a palindrome (837747738).

It can be divided in two parts, 51332 and 4423, that added together give a palindrome (55755).

The spelling of 513324423 in words is "five hundred thirteen million, three hundred twenty-four thousand, four hundred twenty-three".