4023320013 has 12 divisors (see below), whose sum is σ = 5812640028. Its totient is φ = 2681669760.

The previous prime is 4023319973. The next prime is 4023320033. The reversal of 4023320013 is 3100233204.

It can be written as a sum of positive squares in 2 ways, for example, as 3191459049 + 831860964 = 56493^2 + 28842^2 .

It is not a de Polignac number, because 4023320013 - 2³⁰ = 2949578189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023320033) 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, 4453 + ... + 89813.

It is an arithmetic number, because the mean of its divisors is an integer number (484386669).

Almost surely, 2^4023320013 is an apocalyptic number.

It is an amenable number.

4023320013 is a deficient number, since it is larger than the sum of its proper divisors (1789320015).

4023320013 is a wasteful number, since it uses less digits than its factorization.

4023320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90604 (or 90601 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 4023320013 is about 63429.6461680183. The cubic root of 4023320013 is about 1590.4799275099.

Adding to 4023320013 its reverse (3100233204), we get a palindrome (7123553217).

The spelling of 4023320013 in words is "four billion, twenty-three million, three hundred twenty thousand, thirteen".