513232023324 has 24 divisors (see below), whose sum is σ = 1197700655760. Its totient is φ = 171054588544.

The previous prime is 513232023319. The next prime is 513232023341. The reversal of 513232023324 is 423320232315.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 513232023291 and 513232023300.

It is a congruent number.

It is an unprimeable number.

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, 2749959 + ... + 2930654.

It is an arithmetic number, because the mean of its divisors is an integer number (49904193990).

Almost surely, 2^513232023324 is an apocalyptic number.

It is an amenable number.

513232023324 is an abundant number, since it is smaller than the sum of its proper divisors (684468632436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513232023324 is a wasteful number, since it uses less digits than its factorization.

513232023324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688149 (or 5688147 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 513232023324 its reverse (423320232315), we get a palindrome (936552255639).

The spelling of 513232023324 in words is "five hundred thirteen billion, two hundred thirty-two million, twenty-three thousand, three hundred twenty-four".