2243123 has 2 divisors, whose sum is σ = 2243124. Its totient is φ = 2243122.

The previous prime is 2243107. The next prime is 2243161. The reversal of 2243123 is 3213422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2243123 - 2⁴ = 2243107 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁷ + 4³ + 3⁴ + 1 + 2²¹ + 3⁸ .

It is not a weakly prime, because it can be changed into another prime (2243183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121561 + 1121562.

It is an arithmetic number, because the mean of its divisors is an integer number (1121562).

2^2243123 is an apocalyptic number.

2243123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243123 is an equidigital number, since it uses as much as digits as its factorization.

2243123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 17.

The square root of 2243123 is about 1497.7059123873. The cubic root of 2243123 is about 130.9034309568.

Adding to 2243123 its reverse (3213422), we get a palindrome (5456545).

Subtracting 2243123 from its reverse (3213422), we obtain a cube (970299 = 99³).

The spelling of 2243123 in words is "two million, two hundred forty-three thousand, one hundred twenty-three".