23021303 has 4 divisors (see below), whose sum is σ = 23100168. Its totient is φ = 22942440.

The previous prime is 23021291. The next prime is 23021333. The reversal of 23021303 is 30312032.

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 23021303 - 2⁴ = 23021287 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 (23021333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38993 + ... + 39578.

It is an arithmetic number, because the mean of its divisors is an integer number (5775042).

Almost surely, 2^23021303 is an apocalyptic number.

23021303 is a deficient number, since it is larger than the sum of its proper divisors (78865).

23021303 is an equidigital number, since it uses as much as digits as its factorization.

23021303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78864.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 23021303 is about 4798.0520005519. The cubic root of 23021303 is about 284.4744721932.

Adding to 23021303 its reverse (30312032), we get a palindrome (53333335).

The spelling of 23021303 in words is "twenty-three million, twenty-one thousand, three hundred three".