4423823961 has 16 divisors (see below), whose sum is σ = 6043048704. Its totient is φ = 2877076944.

The previous prime is 4423823959. The next prime is 4423823983. The reversal of 4423823961 is 1693283244.

It is not a de Polignac number, because 4423823961 - 2¹ = 4423823959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4423823161) 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, 85950 + ... + 127416.

It is an arithmetic number, because the mean of its divisors is an integer number (377690544).

Almost surely, 2^4423823961 is an apocalyptic number.

It is an amenable number.

4423823961 is a deficient number, since it is larger than the sum of its proper divisors (1619224743).

4423823961 is a wasteful number, since it uses less digits than its factorization.

4423823961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42340.

The product of its digits is 248832, while the sum is 42.

The square root of 4423823961 is about 66511.8332404092. The cubic root of 4423823961 is about 1641.5947160418.

The spelling of 4423823961 in words is "four billion, four hundred twenty-three million, eight hundred twenty-three thousand, nine hundred sixty-one".