23121310032303 has 24 divisors (see below), whose sum is σ = 36469447868160. Its totient is φ = 12988241950320.

The previous prime is 23121310032299. The next prime is 23121310032311. The reversal of 23121310032303 is 30323001312132.

It is not a de Polignac number, because 23121310032303 - 2² = 23121310032299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121310032203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1332938983 + ... + 1332956328.

It is an arithmetic number, because the mean of its divisors is an integer number (1519560327840).

Almost surely, 2^{23121310032303} is an apocalyptic number.

23121310032303 is a deficient number, since it is larger than the sum of its proper divisors (13348137835857).

23121310032303 is a wasteful number, since it uses less digits than its factorization.

23121310032303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665895387 (or 2665895380 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 23121310032303 its reverse (30323001312132), we get a palindrome (53444311344435).

The spelling of 23121310032303 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred ten million, thirty-two thousand, three hundred three".