2243502523 has 4 divisors (see below), whose sum is σ = 2243883240. Its totient is φ = 2243121808.

The previous prime is 2243502487. The next prime is 2243502557. The reversal of 2243502523 is 3252053422.

It is a happy number.

2243502523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2243502523 - 2²⁹ = 1706631611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2243502491 and 2243502500.

It is not an unprimeable number, because it can be changed into a prime (2243502323) 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, 181378 + ... + 193351.

It is an arithmetic number, because the mean of its divisors is an integer number (560970810).

Almost surely, 2^2243502523 is an apocalyptic number.

2243502523 is a deficient number, since it is larger than the sum of its proper divisors (380717).

2243502523 is an equidigital number, since it uses as much as digits as its factorization.

2243502523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380716.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 2243502523 is about 47365.6259644059. The cubic root of 2243502523 is about 1309.1081323306.

Adding to 2243502523 its reverse (3252053422), we get a palindrome (5495555945).

The spelling of 2243502523 in words is "two billion, two hundred forty-three million, five hundred two thousand, five hundred twenty-three".