4023032020081 has 2 divisors, whose sum is σ = 4023032020082. Its totient is φ = 4023032020080.

The previous prime is 4023032019991. The next prime is 4023032020097. The reversal of 4023032020081 is 1800202303204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3940260730081 + 82771290000 = 1985009^2 + 287700^2 .

It is a cyclic number.

It is not a de Polignac number, because 4023032020081 - 2⁹ = 4023032019569 is a prime.

It is a super-2 number, since 2×4023032020081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4023032020181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011516010040 + 2011516010041.

It is an arithmetic number, because the mean of its divisors is an integer number (2011516010041).

Almost surely, 2^{4023032020081} is an apocalyptic number.

It is an amenable number.

4023032020081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4023032020081 is an equidigital number, since it uses as much as digits as its factorization.

4023032020081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4023032020081 its reverse (1800202303204), we get a palindrome (5823234323285).

The spelling of 4023032020081 in words is "four trillion, twenty-three billion, thirty-two million, twenty thousand, eighty-one".