23305053013503 has 16 divisors (see below), whose sum is σ = 32551798195200. Its totient is φ = 14811068170080.

The previous prime is 23305053013483. The next prime is 23305053013547. The reversal of 23305053013503 is 30531035050332.

It is not a de Polignac number, because 23305053013503 - 2¹⁸ = 23305052751359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23305053013703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695399283 + ... + 1695413028.

It is an arithmetic number, because the mean of its divisors is an integer number (2034487387200).

Almost surely, 2^{23305053013503} is an apocalyptic number.

23305053013503 is a deficient number, since it is larger than the sum of its proper divisors (9246745181697).

23305053013503 is a wasteful number, since it uses less digits than its factorization.

23305053013503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390812422.

The product of its (nonzero) digits is 60750, while the sum is 33.

Adding to 23305053013503 its reverse (30531035050332), we get a palindrome (53836088063835).

The spelling of 23305053013503 in words is "twenty-three trillion, three hundred five billion, fifty-three million, thirteen thousand, five hundred three".