It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3123202 = 2 ⋅1561601.
It is a cyclic number.
It is a Duffinian number.
2023213 is a lucky number.
It is a congruent number.
22023213 is an apocalyptic number.
It is an amenable number.
2023213 is a wasteful number, since it uses less digits than its factorization.
2023213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2866.
The square root of 2023213 is about 1422.3969206941. The cubic root of 2023213 is about 126.4776736781.
Adding to 2023213 its reverse (3123202), we get a palindrome (5146415).
The spelling of 2023213 in words is "two million, twenty-three thousand, two hundred thirteen".