38538123 has 8 divisors (see below), whose sum is σ = 55336848. Its totient is φ = 23715744.

The previous prime is 38538121. The next prime is 38538139. The reversal of 38538123 is 32183583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38538123 - 2¹ = 38538121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38538121) 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 7 ways as a sum of consecutive naturals, for example, 494040 + ... + 494117.

It is an arithmetic number, because the mean of its divisors is an integer number (6917106).

Almost surely, 2^38538123 is an apocalyptic number.

38538123 is a deficient number, since it is larger than the sum of its proper divisors (16798725).

38538123 is a wasteful number, since it uses less digits than its factorization.

38538123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988173.

The product of its digits is 17280, while the sum is 33.

The square root of 38538123 is about 6207.9081017683. The cubic root of 38538123 is about 337.7770871272. Note that the first 3 decimals are identical.

The spelling of 38538123 in words is "thirty-eight million, five hundred thirty-eight thousand, one hundred twenty-three".