38634123 has 16 divisors (see below), whose sum is σ = 56361600. Its totient is φ = 23345280.

The previous prime is 38634121. The next prime is 38634133. The reversal of 38634123 is 32143683.

It is not a de Polignac number, because 38634123 - 2¹ = 38634121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38634121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10963 + ... + 14051.

It is an arithmetic number, because the mean of its divisors is an integer number (3522600).

Almost surely, 2^38634123 is an apocalyptic number.

38634123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

38634123 is a deficient number, since it is larger than the sum of its proper divisors (17727477).

38634123 is a wasteful number, since it uses less digits than its factorization.

38634123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482.

The product of its digits is 10368, while the sum is 30.

The square root of 38634123 is about 6215.6353657530. The cubic root of 38634123 is about 338.0573266210.

The spelling of 38634123 in words is "thirty-eight million, six hundred thirty-four thousand, one hundred twenty-three".