3421664123 has 4 divisors (see below), whose sum is σ = 3443458320. Its totient is φ = 3399869928.

The previous prime is 3421664119. The next prime is 3421664131. The reversal of 3421664123 is 3214661243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3214661243 = 19 ⋅169192697.

It is a cyclic number.

It is not a de Polignac number, because 3421664123 - 2² = 3421664119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3421664123.

It is not an unprimeable number, because it can be changed into a prime (3421669123) 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, 10896863 + ... + 10897176.

It is an arithmetic number, because the mean of its divisors is an integer number (860864580).

Almost surely, 2^3421664123 is an apocalyptic number.

3421664123 is a deficient number, since it is larger than the sum of its proper divisors (21794197).

3421664123 is a wasteful number, since it uses less digits than its factorization.

3421664123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21794196.

The product of its digits is 20736, while the sum is 32.

The square root of 3421664123 is about 58494.9922899388. The cubic root of 3421664123 is about 1506.8815843262.

The spelling of 3421664123 in words is "three billion, four hundred twenty-one million, six hundred sixty-four thousand, one hundred twenty-three".