2243504523 has 16 divisors (see below), whose sum is σ = 3229963520. Its totient is φ = 1376966304.

The previous prime is 2243504521. The next prime is 2243504531. The reversal of 2243504523 is 3254053422.

It is not a de Polignac number, because 2243504523 - 2¹ = 2243504521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243504521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61111 + ... + 90672.

It is an arithmetic number, because the mean of its divisors is an integer number (201872720).

Almost surely, 2^2243504523 is an apocalyptic number.

2243504523 is a deficient number, since it is larger than the sum of its proper divisors (986458997).

2243504523 is a wasteful number, since it uses less digits than its factorization.

2243504523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152178.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 2243504523 is about 47365.6470767581. The cubic root of 2243504523 is about 1309.1085213377.

Adding to 2243504523 its reverse (3254053422), we get a palindrome (5497557945).

The spelling of 2243504523 in words is "two billion, two hundred forty-three million, five hundred four thousand, five hundred twenty-three".