23301023503 has 4 divisors (see below), whose sum is σ = 23531726808. Its totient is φ = 23070320200.

The previous prime is 23301023461. The next prime is 23301023507. The reversal of 23301023503 is 30532010332.

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 23301023503 - 2⁹ = 23301022991 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23301023507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115351501 + ... + 115351702.

It is an arithmetic number, because the mean of its divisors is an integer number (5882931702).

Almost surely, 2^23301023503 is an apocalyptic number.

23301023503 is a deficient number, since it is larger than the sum of its proper divisors (230703305).

23301023503 is a wasteful number, since it uses less digits than its factorization.

23301023503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230703304.

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

Adding to 23301023503 its reverse (30532010332), we get a palindrome (53833033835).

The spelling of 23301023503 in words is "twenty-three billion, three hundred one million, twenty-three thousand, five hundred three".