13875623 has 4 divisors (see below), whose sum is σ = 13933920. Its totient is φ = 13817328.

The previous prime is 13875619. The next prime is 13875637. The reversal of 13875623 is 32657831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13875623 - 2² = 13875619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13875613) 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, 28790 + ... + 29267.

It is an arithmetic number, because the mean of its divisors is an integer number (3483480).

Almost surely, 2^13875623 is an apocalyptic number.

13875623 is a deficient number, since it is larger than the sum of its proper divisors (58297).

13875623 is an equidigital number, since it uses as much as digits as its factorization.

13875623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58296.

The product of its digits is 30240, while the sum is 35.

The square root of 13875623 is about 3724.9997315436. Note that the first 3 decimals coincide. The cubic root of 13875623 is about 240.2983731154.

The spelling of 13875623 in words is "thirteen million, eight hundred seventy-five thousand, six hundred twenty-three".