38749723 has 2 divisors, whose sum is σ = 38749724. Its totient is φ = 38749722.

The previous prime is 38749699. The next prime is 38749757. The reversal of 38749723 is 32794783.

38749723 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 38749723 - 2⁵ = 38749691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38749723.

It is not a weakly prime, because it can be changed into another prime (38749793) 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, 19374861 + 19374862.

It is an arithmetic number, because the mean of its divisors is an integer number (19374862).

Almost surely, 2^38749723 is an apocalyptic number.

38749723 is a deficient number, since it is larger than the sum of its proper divisors (1).

38749723 is an equidigital number, since it uses as much as digits as its factorization.

38749723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 38749723 is about 6224.9275497792. The cubic root of 38749723 is about 338.3941662773.

The spelling of 38749723 in words is "thirty-eight million, seven hundred forty-nine thousand, seven hundred twenty-three".