3421023 has 4 divisors (see below), whose sum is σ = 4561368. Its totient is φ = 2280680.

The previous prime is 3421021. The next prime is 3421039. The reversal of 3421023 is 3201243.

3421023 is nontrivially palindromic in base 11.

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 3421023 - 2¹ = 3421021 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 3420993 and 3421011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421021) 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 in 3 ways as a sum of consecutive naturals, for example, 570168 + ... + 570173.

It is an arithmetic number, because the mean of its divisors is an integer number (1140342).

Almost surely, 2^3421023 is an apocalyptic number.

3421023 is a deficient number, since it is larger than the sum of its proper divisors (1140345).

3421023 is a wasteful number, since it uses less digits than its factorization.

3421023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140344.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3421023 is about 1849.6007677334. The cubic root of 3421023 is about 150.6787462796.

Adding to 3421023 its reverse (3201243), we get a palindrome (6622266).

It can be divided in two parts, 342 and 1023, that multiplied together give a triangular number (349866 = T₈₃₆).

The spelling of 3421023 in words is "three million, four hundred twenty-one thousand, twenty-three".