4513421023 has 4 divisors (see below), whose sum is σ = 4546365840. Its totient is φ = 4480476208.

The previous prime is 4513421009. The next prime is 4513421039. The reversal of 4513421023 is 3201243154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3201243154 = 2 ⋅1600621577.

It is a cyclic number.

It is not a de Polignac number, because 4513421023 - 2⁹ = 4513420511 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 (4513421093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16472203 + ... + 16472476.

It is an arithmetic number, because the mean of its divisors is an integer number (1136591460).

Almost surely, 2^4513421023 is an apocalyptic number.

4513421023 is a deficient number, since it is larger than the sum of its proper divisors (32944817).

4513421023 is a wasteful number, since it uses less digits than its factorization.

4513421023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32944816.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4513421023 is about 67181.9992483106. Note that the first 3 decimals coincide. The cubic root of 4513421023 is about 1652.6033006848.

Adding to 4513421023 its reverse (3201243154), we get a palindrome (7714664177).

The spelling of 4513421023 in words is "four billion, five hundred thirteen million, four hundred twenty-one thousand, twenty-three".