3421423 has 2 divisors, whose sum is σ = 3421424. Its totient is φ = 3421422.

The previous prime is 3421417. The next prime is 3421433. The reversal of 3421423 is 3241243.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3421423 is a prime.

It is a super-2 number, since 2×3421423² = 23412270689858, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3⁵ + 4⁸ + 2¹⁵ + 1 + 4¹⁰ + 2²¹ + 3¹¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 3421423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3421433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710711 + 1710712.

It is an arithmetic number, because the mean of its divisors is an integer number (1710712).

Almost surely, 2^3421423 is an apocalyptic number.

3421423 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421423 is an equidigital number, since it uses as much as digits as its factorization.

3421423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 19.

The square root of 3421423 is about 1849.7088960158. The cubic root of 3421423 is about 150.6846187092.

Adding to 3421423 its reverse (3241243), we get a palindrome (6662666).

It can be divided in two parts, 3421 and 423, that added together give a square (3844 = 62²).

The spelling of 3421423 in words is "three million, four hundred twenty-one thousand, four hundred twenty-three".