39042923 has 2 divisors, whose sum is σ = 39042924. Its totient is φ = 39042922.

The previous prime is 39042907. The next prime is 39043001. The reversal of 39042923 is 32924093.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39042923 - 2⁴ = 39042907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39042923.

It is not a weakly prime, because it can be changed into another prime (39042823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19521461 + 19521462.

It is an arithmetic number, because the mean of its divisors is an integer number (19521462).

Almost surely, 2^39042923 is an apocalyptic number.

39042923 is a deficient number, since it is larger than the sum of its proper divisors (1).

39042923 is an equidigital number, since it uses as much as digits as its factorization.

39042923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 39042923 is about 6248.4336437222. The cubic root of 39042923 is about 339.2455097719.

The spelling of 39042923 in words is "thirty-nine million, forty-two thousand, nine hundred twenty-three".