4001023163 has 2 divisors, whose sum is σ = 4001023164. Its totient is φ = 4001023162.

The previous prime is 4001023139. The next prime is 4001023183. The reversal of 4001023163 is 3613201004.

It is an a-pointer prime, because the next prime (4001023183) can be obtained adding 4001023163 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4001023163 - 2²² = 3996828859 is a prime.

It is not a weakly prime, because it can be changed into another prime (4001023183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000511581 + 2000511582.

It is an arithmetic number, because the mean of its divisors is an integer number (2000511582).

Almost surely, 2^4001023163 is an apocalyptic number.

4001023163 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001023163 is an equidigital number, since it uses as much as digits as its factorization.

4001023163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4001023163 is about 63253.6414999168. The cubic root of 4001023163 is about 1587.5363879315.

Adding to 4001023163 its reverse (3613201004), we get a palindrome (7614224167).

The spelling of 4001023163 in words is "four billion, one million, twenty-three thousand, one hundred sixty-three".