4513220323 has 4 divisors (see below), whose sum is σ = 4668848640. Its totient is φ = 4357592008.

The previous prime is 4513220311. The next prime is 4513220351. The reversal of 4513220323 is 3230223154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4513220323 - 2²¹ = 4511123171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4513220363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77814115 + ... + 77814172.

It is an arithmetic number, because the mean of its divisors is an integer number (1167212160).

Almost surely, 2^4513220323 is an apocalyptic number.

4513220323 is a deficient number, since it is larger than the sum of its proper divisors (155628317).

4513220323 is a wasteful number, since it uses less digits than its factorization.

4513220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155628316.

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

The square root of 4513220323 is about 67180.5055280176. The cubic root of 4513220323 is about 1652.5788046764.

Adding to 4513220323 its reverse (3230223154), we get a palindrome (7743443477).

The spelling of 4513220323 in words is "four billion, five hundred thirteen million, two hundred twenty thousand, three hundred twenty-three".