2243723 has 2 divisors, whose sum is σ = 2243724. Its totient is φ = 2243722.

The previous prime is 2243699. The next prime is 2243741. The reversal of 2243723 is 3273422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2243723 - 2⁸ = 2243467 is a prime.

It is a d-powerful number, because it can be written as 2³ + 2⁹ + 4⁸ + 3¹⁰ + 7 + 2¹⁹ + 3¹³ .

It is not a weakly prime, because it can be changed into another prime (2243743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121861 + 1121862.

It is an arithmetic number, because the mean of its divisors is an integer number (1121862).

2^2243723 is an apocalyptic number.

2243723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243723 is an equidigital number, since it uses as much as digits as its factorization.

2243723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 23.

The square root of 2243723 is about 1497.9062053413. The cubic root of 2243723 is about 130.9151014502.

The spelling of 2243723 in words is "two million, two hundred forty-three thousand, seven hundred twenty-three".