3421123 has 4 divisors (see below), whose sum is σ = 3500728. Its totient is φ = 3341520.

The previous prime is 3421109. The next prime is 3421151. The reversal of 3421123 is 3211243.

It is a happy number.

3421123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3421123 - 2⁵ = 3421091 is a prime.

It is a super-2 number, since 2×3421123² = 23408165162258, which contains 22 as substring.

It is a Duffinian number.

3421123 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3421097 and 3421106.

It is not an unprimeable number, because it can be changed into a prime (3421193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39738 + ... + 39823.

It is an arithmetic number, because the mean of its divisors is an integer number (875182).

Almost surely, 2^3421123 is an apocalyptic number.

3421123 is a deficient number, since it is larger than the sum of its proper divisors (79605).

3421123 is an equidigital number, since it uses as much as digits as its factorization.

3421123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79604.

The product of its digits is 144, while the sum is 16.

The square root of 3421123 is about 1849.6278003966. The cubic root of 3421123 is about 150.6802144299.

Adding to 3421123 its reverse (3211243), we get a palindrome (6632366).

The spelling of 3421123 in words is "three million, four hundred twenty-one thousand, one hundred twenty-three".