38671723 has 4 divisors (see below), whose sum is σ = 38788888. Its totient is φ = 38554560.

The previous prime is 38671687. The next prime is 38671739. The reversal of 38671723 is 32717683.

38671723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38671723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38674723) 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 in 3 ways as a sum of consecutive naturals, for example, 58086 + ... + 58747.

It is an arithmetic number, because the mean of its divisors is an integer number (9697222).

Almost surely, 2^38671723 is an apocalyptic number.

38671723 is a deficient number, since it is larger than the sum of its proper divisors (117165).

38671723 is a wasteful number, since it uses less digits than its factorization.

38671723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117164.

The product of its digits is 42336, while the sum is 37.

The square root of 38671723 is about 6218.6592606445. The cubic root of 38671723 is about 338.1669605676.

The spelling of 38671723 in words is "thirty-eight million, six hundred seventy-one thousand, seven hundred twenty-three".