38133923 has 2 divisors, whose sum is σ = 38133924. Its totient is φ = 38133922.

The previous prime is 38133913. The next prime is 38133943. The reversal of 38133923 is 32933183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38133923 - 2¹⁴ = 38117539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38133923.

It is not a weakly prime, because it can be changed into another prime (38133913) 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, 19066961 + 19066962.

It is an arithmetic number, because the mean of its divisors is an integer number (19066962).

Almost surely, 2^38133923 is an apocalyptic number.

38133923 is a deficient number, since it is larger than the sum of its proper divisors (1).

38133923 is an equidigital number, since it uses as much as digits as its factorization.

38133923 is an odious number, because the sum of its binary digits is odd.

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

The square root of 38133923 is about 6175.2670387603. The cubic root of 38133923 is about 336.5920300951.

The spelling of 38133923 in words is "thirty-eight million, one hundred thirty-three thousand, nine hundred twenty-three".