23321310303 has 4 divisors (see below), whose sum is σ = 31095080408. Its totient is φ = 15547540200.

The previous prime is 23321310293. The next prime is 23321310317. The reversal of 23321310303 is 30301312332.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23321310303 - 2¹² = 23321306207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23321310303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321310403) 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, 3886885048 + ... + 3886885053.

It is an arithmetic number, because the mean of its divisors is an integer number (7773770102).

Almost surely, 2^23321310303 is an apocalyptic number.

23321310303 is a deficient number, since it is larger than the sum of its proper divisors (7773770105).

23321310303 is an equidigital number, since it uses as much as digits as its factorization.

23321310303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7773770104.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23321310303 its reverse (30301312332), we get a palindrome (53622622635).

The spelling of 23321310303 in words is "twenty-three billion, three hundred twenty-one million, three hundred ten thousand, three hundred three".