3688123 has 4 divisors (see below), whose sum is σ = 3787840. Its totient is φ = 3588408.

The previous prime is 3688117. The next prime is 3688127. The reversal of 3688123 is 3218863.

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

It is a de Polignac number, because none of the positive numbers 2^k-3688123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3688127) 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, 49803 + ... + 49876.

It is an arithmetic number, because the mean of its divisors is an integer number (946960).

Almost surely, 2^3688123 is an apocalyptic number.

3688123 is a deficient number, since it is larger than the sum of its proper divisors (99717).

3688123 is an equidigital number, since it uses as much as digits as its factorization.

3688123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99716.

The product of its digits is 6912, while the sum is 31.

The square root of 3688123 is about 1920.4486454993. The cubic root of 3688123 is about 154.5023651813.

The spelling of 3688123 in words is "three million, six hundred eighty-eight thousand, one hundred twenty-three".