13938123 has 8 divisors (see below), whose sum is σ = 18731008. Its totient is φ = 9218664.

The previous prime is 13938121. The next prime is 13938137. The reversal of 13938123 is 32183931.

13938123 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 13938123 - 2¹ = 13938121 is a prime.

It is a super-3 number, since 3×13938123³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13938121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17911 + ... + 18672.

It is an arithmetic number, because the mean of its divisors is an integer number (2341376).

Almost surely, 2^13938123 is an apocalyptic number.

13938123 is a deficient number, since it is larger than the sum of its proper divisors (4792885).

13938123 is a wasteful number, since it uses less digits than its factorization.

13938123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36713.

The product of its digits is 3888, while the sum is 30.

The square root of 13938123 is about 3733.3795681661. The cubic root of 13938123 is about 240.6586249294.

The spelling of 13938123 in words is "thirteen million, nine hundred thirty-eight thousand, one hundred twenty-three".