42243983 has 2 divisors, whose sum is σ = 42243984. Its totient is φ = 42243982.

The previous prime is 42243977. The next prime is 42243989. The reversal of 42243983 is 38934224.

It is a happy number.

42243983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (42243977) and next prime (42243989).

It is a cyclic number.

It is not a de Polignac number, because 42243983 - 2⁸ = 42243727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42243989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21121991 + 21121992.

It is an arithmetic number, because the mean of its divisors is an integer number (21121992).

Almost surely, 2^42243983 is an apocalyptic number.

42243983 is a deficient number, since it is larger than the sum of its proper divisors (1).

42243983 is an equidigital number, since it uses as much as digits as its factorization.

42243983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 42243983 is about 6499.5371373660. The cubic root of 42243983 is about 348.2744537482.

The spelling of 42243983 in words is "forty-two million, two hundred forty-three thousand, nine hundred eighty-three".