4423013999 has 4 divisors (see below), whose sum is σ = 4445240400. Its totient is φ = 4400787600.

The previous prime is 4423013977. The next prime is 4423014019. The reversal of 4423013999 is 9993103244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4423013999 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 (4423013299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11112902 + ... + 11113299.

It is an arithmetic number, because the mean of its divisors is an integer number (1111310100).

Almost surely, 2^4423013999 is an apocalyptic number.

4423013999 is a deficient number, since it is larger than the sum of its proper divisors (22226401).

4423013999 is a wasteful number, since it uses less digits than its factorization.

4423013999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22226400.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 4423013999 is about 66505.7441053027. The cubic root of 4423013999 is about 1641.4945228976.

The spelling of 4423013999 in words is "four billion, four hundred twenty-three million, thirteen thousand, nine hundred ninety-nine".