3965023 has 2 divisors, whose sum is σ = 3965024. Its totient is φ = 3965022.

The previous prime is 3965021. The next prime is 3965033. The reversal of 3965023 is 3205693.

3965023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3965023 - 2¹ = 3965021 is a prime.

It is a super-4 number, since 4×3965023⁴ (a number of 27 digits) contains 4444 as substring.

Together with 3965021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3964982 and 3965000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3965021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982511 + 1982512.

It is an arithmetic number, because the mean of its divisors is an integer number (1982512).

Almost surely, 2^3965023 is an apocalyptic number.

3965023 is a deficient number, since it is larger than the sum of its proper divisors (1).

3965023 is an equidigital number, since it uses as much as digits as its factorization.

3965023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 3965023 is about 1991.2365504882. The cubic root of 3965023 is about 158.2760622662.

The spelling of 3965023 in words is "three million, nine hundred sixty-five thousand, twenty-three".