23300300021 has 4 divisors (see below), whose sum is σ = 23301016332. Its totient is φ = 23299583712.

The previous prime is 23300300003. The next prime is 23300300027. The reversal of 23300300021 is 12000300332.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8720944996 + 14579355025 = 93386^2 + 120745^2 .

It is a cyclic number.

It is not a de Polignac number, because 23300300021 - 2²² = 23296105717 is a prime.

It is a super-3 number, since 3×23300300021³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23300299969 and 23300300005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23300300027) 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, 306920 + ... + 375233.

It is an arithmetic number, because the mean of its divisors is an integer number (5825254083).

Almost surely, 2^23300300021 is an apocalyptic number.

It is an amenable number.

23300300021 is a deficient number, since it is larger than the sum of its proper divisors (716311).

23300300021 is an equidigital number, since it uses as much as digits as its factorization.

23300300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716310.

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

Adding to 23300300021 its reverse (12000300332), we get a palindrome (35300600353).

The spelling of 23300300021 in words is "twenty-three billion, three hundred million, three hundred thousand, twenty-one".