23303210503 has 4 divisors (see below), whose sum is σ = 23303788480. Its totient is φ = 23302632528.

The previous prime is 23303210431. The next prime is 23303210509. The reversal of 23303210503 is 30501230332.

It is a happy number.

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 23303210503 - 2¹³ = 23303202311 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 (23303210509) 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, 223575 + ... + 310792.

It is an arithmetic number, because the mean of its divisors is an integer number (5825947120).

Almost surely, 2^23303210503 is an apocalyptic number.

23303210503 is a deficient number, since it is larger than the sum of its proper divisors (577977).

23303210503 is an equidigital number, since it uses as much as digits as its factorization.

23303210503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577976.

The product of its (nonzero) digits is 1620, while the sum is 22.

Adding to 23303210503 its reverse (30501230332), we get a palindrome (53804440835).

The spelling of 23303210503 in words is "twenty-three billion, three hundred three million, two hundred ten thousand, five hundred three".