23420303 has 4 divisors (see below), whose sum is σ = 23444928. Its totient is φ = 23395680.

The previous prime is 23420281. The next prime is 23420323. The reversal of 23420303 is 30302432.

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 23420303 - 2⁶ = 23420239 is a prime.

It is a super-2 number, since 2×23420303² = 1097021185223618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420323) 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, 10826 + ... + 12807.

It is an arithmetic number, because the mean of its divisors is an integer number (5861232).

Almost surely, 2^23420303 is an apocalyptic number.

23420303 is a deficient number, since it is larger than the sum of its proper divisors (24625).

23420303 is an equidigital number, since it uses as much as digits as its factorization.

23420303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24624.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 23420303 is about 4839.4527583189. The cubic root of 23420303 is about 286.1085500872.

Adding to 23420303 its reverse (30302432), we get a palindrome (53722735).

The spelling of 23420303 in words is "twenty-three million, four hundred twenty thousand, three hundred three".