38923009138238 has 8 divisors (see below), whose sum is σ = 58404258225432. Its totient is φ = 19454923063096.

The previous prime is 38923009138231. The next prime is 38923009138241. The reversal of 38923009138238 is 83283190032983.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38923009138231) 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, 3290745620 + ... + 3290757447.

It is an arithmetic number, because the mean of its divisors is an integer number (7300532278179).

Almost surely, 2^{38923009138238} is an apocalyptic number.

38923009138238 is a deficient number, since it is larger than the sum of its proper divisors (19481249087194).

38923009138238 is a wasteful number, since it uses less digits than its factorization.

38923009138238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581506026.

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 38923009138238 in words is "thirty-eight trillion, nine hundred twenty-three billion, nine million, one hundred thirty-eight thousand, two hundred thirty-eight".