4023440013 has 16 divisors (see below), whose sum is σ = 5473328256. Its totient is φ = 2628258240.

The previous prime is 4023440009. The next prime is 4023440017. The reversal of 4023440013 is 3100443204.

It is an interprime number because it is at equal distance from previous prime (4023440009) and next prime (4023440017).

It is not a de Polignac number, because 4023440013 - 2² = 4023440009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023440017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6331 + ... + 89927.

It is an arithmetic number, because the mean of its divisors is an integer number (342083016).

Almost surely, 2^4023440013 is an apocalyptic number.

It is an amenable number.

4023440013 is a deficient number, since it is larger than the sum of its proper divisors (1449888243).

4023440013 is a wasteful number, since it uses less digits than its factorization.

4023440013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83924.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4023440013 is about 63430.5920908831. The cubic root of 4023440013 is about 1590.4957399644.

Adding to 4023440013 its reverse (3100443204), we get a palindrome (7123883217).

The spelling of 4023440013 in words is "four billion, twenty-three million, four hundred forty thousand, thirteen".