23338515503 has 4 divisors (see below), whose sum is σ = 23342287800. Its totient is φ = 23334743208.

The previous prime is 23338515491. The next prime is 23338515521. The reversal of 23338515503 is 30551583332.

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 23338515503 - 2¹² = 23338511407 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 (23338515203) 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, 1876853 + ... + 1889246.

It is an arithmetic number, because the mean of its divisors is an integer number (5835571950).

Almost surely, 2^23338515503 is an apocalyptic number.

23338515503 is a deficient number, since it is larger than the sum of its proper divisors (3772297).

23338515503 is an equidigital number, since it uses as much as digits as its factorization.

23338515503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772296.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 23338515503 in words is "twenty-three billion, three hundred thirty-eight million, five hundred fifteen thousand, five hundred three".