3942023 has 2 divisors, whose sum is σ = 3942024. Its totient is φ = 3942022.

The previous prime is 3942007. The next prime is 3942041. The reversal of 3942023 is 3202493.

3942023 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 3942023 - 2⁴ = 3942007 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3942023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3942923) 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, 1971011 + 1971012.

It is an arithmetic number, because the mean of its divisors is an integer number (1971012).

Almost surely, 2^3942023 is an apocalyptic number.

3942023 is a deficient number, since it is larger than the sum of its proper divisors (1).

3942023 is an equidigital number, since it uses as much as digits as its factorization.

3942023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3942023 is about 1985.4528450709. The cubic root of 3942023 is about 157.9694300735.

The spelling of 3942023 in words is "three million, nine hundred forty-two thousand, twenty-three".