23203202303 has 4 divisors (see below), whose sum is σ = 23211970800. Its totient is φ = 23194433808.

The previous prime is 23203202291. The next prime is 23203202317. The reversal of 23203202303 is 30320230232.

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 23203202303 - 2²⁶ = 23136093439 is a prime.

It is a super-2 number, since 2×23203202303² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203202353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4380278 + ... + 4385571.

It is an arithmetic number, because the mean of its divisors is an integer number (5802992700).

Almost surely, 2^23203202303 is an apocalyptic number.

23203202303 is a deficient number, since it is larger than the sum of its proper divisors (8768497).

23203202303 is an equidigital number, since it uses as much as digits as its factorization.

23203202303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8768496.

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 23203202303 its reverse (30320230232), we get a palindrome (53523432535).

The spelling of 23203202303 in words is "twenty-three billion, two hundred three million, two hundred two thousand, three hundred three".