3684666123 has 12 divisors (see below), whose sum is σ = 5354167728. Its totient is φ = 2441733840.

The previous prime is 3684666119. The next prime is 3684666131. The reversal of 3684666123 is 3216664863.

It is not a de Polignac number, because 3684666123 - 2² = 3684666119 is a prime.

It is a super-2 number, since 2×3684666123² = 27153528875967702258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3684665123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1224268 + ... + 1227273.

It is an arithmetic number, because the mean of its divisors is an integer number (446180644).

Almost surely, 2^3684666123 is an apocalyptic number.

3684666123 is a deficient number, since it is larger than the sum of its proper divisors (1669501605).

3684666123 is a wasteful number, since it uses less digits than its factorization.

3684666123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451714 (or 2451711 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 3684666123 is about 60701.4507487259. The cubic root of 3684666123 is about 1544.5407841241.

The spelling of 3684666123 in words is "three billion, six hundred eighty-four million, six hundred sixty-six thousand, one hundred twenty-three".