6138923 has 8 divisors (see below), whose sum is σ = 7258080. Its totient is φ = 5080320.

The previous prime is 6138901. The next prime is 6138947. The reversal of 6138923 is 3298316.

6138923 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6138923 - 2⁶ = 6138859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6138923.

It is not an unprimeable number, because it can be changed into a prime (6138983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14918 + ... + 15323.

It is an arithmetic number, because the mean of its divisors is an integer number (907260).

Almost surely, 2^6138923 is an apocalyptic number.

6138923 is a deficient number, since it is larger than the sum of its proper divisors (1119157).

6138923 is a wasteful number, since it uses less digits than its factorization.

6138923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30277.

The product of its digits is 7776, while the sum is 32.

The square root of 6138923 is about 2477.6850082284. The cubic root of 6138923 is about 183.1038159982.

The spelling of 6138923 in words is "six million, one hundred thirty-eight thousand, nine hundred twenty-three".