2123336 has 8 divisors (see below), whose sum is σ = 3981270. Its totient is φ = 1061664.

The previous prime is 2123327. The next prime is 2123353. The reversal of 2123336 is 6333212.

It can be written as a sum of positive squares in only one way, i.e., 1674436 + 448900 = 1294^2 + 670^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁹ + 1 + 2¹⁹ + 3⁶ + 3⁷ + 3¹³ + 6⁴ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132701 + ... + 132716.

2^2123336 is an apocalyptic number.

It is an amenable number.

2123336 is a deficient number, since it is larger than the sum of its proper divisors (1857934).

2123336 is a wasteful number, since it uses less digits than its factorization.

2123336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265423 (or 265419 counting only the distinct ones).

The product of its digits is 648, while the sum is 20.

The square root of 2123336 is about 1457.1671146440. The cubic root of 2123336 is about 128.5305130242.

Adding to 2123336 its reverse (6333212), we get a palindrome (8456548).

The spelling of 2123336 in words is "two million, one hundred twenty-three thousand, three hundred thirty-six".