38423923 has 2 divisors, whose sum is σ = 38423924. Its totient is φ = 38423922.

The previous prime is 38423921. The next prime is 38423933. The reversal of 38423923 is 32932483.

38423923 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 38423923 - 2¹ = 38423921 is a prime.

Together with 38423921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38423921) 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, 19211961 + 19211962.

It is an arithmetic number, because the mean of its divisors is an integer number (19211962).

Almost surely, 2^38423923 is an apocalyptic number.

38423923 is a deficient number, since it is larger than the sum of its proper divisors (1).

38423923 is an equidigital number, since it uses as much as digits as its factorization.

38423923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 38423923 is about 6198.7033321494. The cubic root of 38423923 is about 337.4431121310.

The spelling of 38423923 in words is "thirty-eight million, four hundred twenty-three thousand, nine hundred twenty-three".