2243440023 has 32 divisors (see below), whose sum is σ = 3373996032. Its totient is φ = 1313635200.

The previous prime is 2243439997. The next prime is 2243440051. The reversal of 2243440023 is 3200443422.

2243440023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2243440023 - 2¹⁰ = 2243438999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2243439975 and 2243440002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243448023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 789361 + ... + 792197.

It is an arithmetic number, because the mean of its divisors is an integer number (105437376).

Almost surely, 2^2243440023 is an apocalyptic number.

2243440023 is a deficient number, since it is larger than the sum of its proper divisors (1130556009).

2243440023 is a wasteful number, since it uses less digits than its factorization.

2243440023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 2243440023 is about 47364.9661986578. The cubic root of 2243440023 is about 1309.0959757410.

Adding to 2243440023 its reverse (3200443422), we get a palindrome (5443883445).

The spelling of 2243440023 in words is "two billion, two hundred forty-three million, four hundred forty thousand, twenty-three".