38773723 has 4 divisors (see below), whose sum is σ = 38878048. Its totient is φ = 38669400.

The previous prime is 38773717. The next prime is 38773733. The reversal of 38773723 is 32737783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32737783 = 13 ⋅2518291.

It is a cyclic number.

It is not a de Polignac number, because 38773723 - 2⁹ = 38773211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38773733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51603 + ... + 52348.

It is an arithmetic number, because the mean of its divisors is an integer number (9719512).

Almost surely, 2^38773723 is an apocalyptic number.

38773723 is a deficient number, since it is larger than the sum of its proper divisors (104325).

38773723 is a wasteful number, since it uses less digits than its factorization.

38773723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104324.

The product of its digits is 148176, while the sum is 40.

The square root of 38773723 is about 6226.8549846612. The cubic root of 38773723 is about 338.4640143798.

The spelling of 38773723 in words is "thirty-eight million, seven hundred seventy-three thousand, seven hundred twenty-three".