2203530523 has 4 divisors (see below), whose sum is σ = 2263085440. Its totient is φ = 2143975608.

The previous prime is 2203530451. The next prime is 2203530533. The reversal of 2203530523 is 3250353022.

2203530523 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 2203530523 - 2²¹ = 2201433371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2203530533) 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, 29777403 + ... + 29777476.

It is an arithmetic number, because the mean of its divisors is an integer number (565771360).

Almost surely, 2^2203530523 is an apocalyptic number.

2203530523 is a deficient number, since it is larger than the sum of its proper divisors (59554917).

2203530523 is an equidigital number, since it uses as much as digits as its factorization.

2203530523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59554916.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 2203530523 is about 46941.7780127681. The cubic root of 2203530523 is about 1301.2867974484.

Adding to 2203530523 its reverse (3250353022), we get a palindrome (5453883545).

The spelling of 2203530523 in words is "two billion, two hundred three million, five hundred thirty thousand, five hundred twenty-three".