38423843 has 2 divisors, whose sum is σ = 38423844. Its totient is φ = 38423842.

The previous prime is 38423837. The next prime is 38423873. The reversal of 38423843 is 34832483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38423843 - 2⁶ = 38423779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38423873) 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, 19211921 + 19211922.

It is an arithmetic number, because the mean of its divisors is an integer number (19211922).

Almost surely, 2^38423843 is an apocalyptic number.

38423843 is a deficient number, since it is larger than the sum of its proper divisors (1).

38423843 is an equidigital number, since it uses as much as digits as its factorization.

38423843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 35.

The square root of 38423843 is about 6198.6968791836. The cubic root of 38423843 is about 337.4428779412.

The spelling of 38423843 in words is "thirty-eight million, four hundred twenty-three thousand, eight hundred forty-three".