38507723 has 4 divisors (see below), whose sum is σ = 38524320. Its totient is φ = 38491128.

The previous prime is 38507717. The next prime is 38507731. The reversal of 38507723 is 32770583.

38507723 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, and also an emirpimes, since its reverse is a distinct semiprime: 32770583 = 103 ⋅318161.

It is a cyclic number.

It is not a de Polignac number, because 38507723 - 2⁶ = 38507659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38507753) 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, 4115 + ... + 9692.

It is an arithmetic number, because the mean of its divisors is an integer number (9631080).

Almost surely, 2^38507723 is an apocalyptic number.

38507723 is a deficient number, since it is larger than the sum of its proper divisors (16597).

38507723 is a wasteful number, since it uses less digits than its factorization.

38507723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16596.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 38507723 is about 6205.4591288639. The cubic root of 38507723 is about 337.6882476106.

The spelling of 38507723 in words is "thirty-eight million, five hundred seven thousand, seven hundred twenty-three".