23203312303 has 4 divisors (see below), whose sum is σ = 23203634608. Its totient is φ = 23202990000.

The previous prime is 23203312283. The next prime is 23203312333. The reversal of 23203312303 is 30321330232.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23203312303 - 2⁵ = 23203312271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203312333) 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, 1678 + ... + 215428.

It is an arithmetic number, because the mean of its divisors is an integer number (5800908652).

Almost surely, 2^23203312303 is an apocalyptic number.

23203312303 is a deficient number, since it is larger than the sum of its proper divisors (322305).

23203312303 is a wasteful number, since it uses less digits than its factorization.

23203312303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322304.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 23203312303 its reverse (30321330232), we get a palindrome (53524642535).

The spelling of 23203312303 in words is "twenty-three billion, two hundred three million, three hundred twelve thousand, three hundred three".