6938805123 has 24 divisors (see below), whose sum is σ = 10265031920. Its totient is φ = 4514227200.

The previous prime is 6938805121. The next prime is 6938805143. The reversal of 6938805123 is 3215088396.

It is a happy number.

It is not a de Polignac number, because 6938805123 - 2¹ = 6938805121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6938805121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457323 + ... + 472251.

Almost surely, 2^6938805123 is an apocalyptic number.

6938805123 is a deficient number, since it is larger than the sum of its proper divisors (3326226797).

6938805123 is a wasteful number, since it uses less digits than its factorization.

6938805123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16179 (or 16176 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 6938805123 is about 83299.4905326557. The cubic root of 6938805123 is about 1907.3404981412.

The spelling of 6938805123 in words is "six billion, nine hundred thirty-eight million, eight hundred five thousand, one hundred twenty-three".