2243023 has 4 divisors (see below), whose sum is σ = 2249800. Its totient is φ = 2236248.

The previous prime is 2242993. The next prime is 2243027. The reversal of 2243023 is 3203422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3203422 = 2 ⋅1601711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243023 is a prime.

It is a Duffinian number.

2243023 is a lucky number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2242988 and 2243006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2865 + ... + 3562.

It is an arithmetic number, because the mean of its divisors is an integer number (562450).

2^2243023 is an apocalyptic number.

2243023 is a deficient number, since it is larger than the sum of its proper divisors (6777).

2243023 is an equidigital number, since it uses as much as digits as its factorization.

2243023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2243023 is about 1497.6725276241. The cubic root of 2243023 is about 130.9014856722.

Adding to 2243023 its reverse (3203422), we get a palindrome (5446445).

The spelling of 2243023 in words is "two million, two hundred forty-three thousand, twenty-three".