23220101233 has 6 divisors (see below), whose sum is σ = 27011138226. Its totient is φ = 19902943872.

The previous prime is 23220101221. The next prime is 23220101243. The reversal of 23220101233 is 33210102232.

It can be written as a sum of positive squares in only one way, i.e., 13306314609 + 9913786624 = 115353^2 + 99568^2 .

It is not a de Polignac number, because 23220101233 - 2³³ = 14630166641 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 23220101233.

It is not an unprimeable number, because it can be changed into a prime (23220101243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236939760 + ... + 236939857.

It is an arithmetic number, because the mean of its divisors is an integer number (4501856371).

Almost surely, 2^23220101233 is an apocalyptic number.

It is an amenable number.

23220101233 is a deficient number, since it is larger than the sum of its proper divisors (3791036993).

23220101233 is an equidigital number, since it uses as much as digits as its factorization.

23220101233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473879631 (or 473879624 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23220101233 its reverse (33210102232), we get a palindrome (56430203465).

Subtracting 23220101233 from its reverse (33210102232), we obtain a palindrome (9990000999).

The spelling of 23220101233 in words is "twenty-three billion, two hundred twenty million, one hundred one thousand, two hundred thirty-three".