2103743 has 2 divisors, whose sum is σ = 2103744. Its totient is φ = 2103742.

The previous prime is 2103719. The next prime is 2103749. The reversal of 2103743 is 3473012.

2103743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2103743 - 2⁶ = 2103679 is a prime.

It is a super-2 number, since 2×2103743² = 8851469220098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051871 + 1051872.

It is an arithmetic number, because the mean of its divisors is an integer number (1051872).

2^2103743 is an apocalyptic number.

2103743 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103743 is an equidigital number, since it uses as much as digits as its factorization.

2103743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 2103743 is about 1450.4285573581. The cubic root of 2103743 is about 128.1339540044.

Adding to 2103743 its reverse (3473012), we get a palindrome (5576755).

The spelling of 2103743 in words is "two million, one hundred three thousand, seven hundred forty-three".