38712123 has 6 divisors (see below), whose sum is σ = 55917524. Its totient is φ = 25808076.

The previous prime is 38712061. The next prime is 38712143. The reversal of 38712123 is 32121783.

It is not a de Polignac number, because 38712123 - 2²⁴ = 21934907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38712143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2150665 + ... + 2150682.

Almost surely, 2^38712123 is an apocalyptic number.

38712123 is a deficient number, since it is larger than the sum of its proper divisors (17205401).

38712123 is a wasteful number, since it uses less digits than its factorization.

38712123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301353 (or 4301350 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 38712123 is about 6221.9067013256. The cubic root of 38712123 is about 338.2846795743.

The spelling of 38712123 in words is "thirty-eight million, seven hundred twelve thousand, one hundred twenty-three".