2684023 has 2 divisors, whose sum is σ = 2684024. Its totient is φ = 2684022.

The previous prime is 2684021. The next prime is 2684041. The reversal of 2684023 is 3204862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2684023 - 2¹ = 2684021 is a prime.

Together with 2684021, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2⁷ + 6² + 8⁵ + 4¹⁰ + 0 + 2¹³ + 3¹³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2684021) 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, 1342011 + 1342012.

It is an arithmetic number, because the mean of its divisors is an integer number (1342012).

2^2684023 is an apocalyptic number.

2684023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2684023 is an equidigital number, since it uses as much as digits as its factorization.

2684023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2684023 is about 1638.2988127933. The cubic root of 2684023 is about 138.9724597371.

Adding to 2684023 its reverse (3204862), we get a palindrome (5888885).

The spelling of 2684023 in words is "two million, six hundred eighty-four thousand, twenty-three".