23303100133 has 4 divisors (see below), whose sum is σ = 24106655340. Its totient is φ = 22499544928.

The previous prime is 23303100113. The next prime is 23303100157. The reversal of 23303100133 is 33100130332.

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 15835202244 + 7467897889 = 125838^2 + 86417^2 .

It is a cyclic number.

It is not a de Polignac number, because 23303100133 - 2¹⁷ = 23302969061 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 23303100133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303100113) 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, 401777560 + ... + 401777617.

It is an arithmetic number, because the mean of its divisors is an integer number (6026663835).

Almost surely, 2^23303100133 is an apocalyptic number.

It is an amenable number.

23303100133 is a deficient number, since it is larger than the sum of its proper divisors (803555207).

23303100133 is an equidigital number, since it uses as much as digits as its factorization.

23303100133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803555206.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 23303100133 its reverse (33100130332), we get a palindrome (56403230465).

The spelling of 23303100133 in words is "twenty-three billion, three hundred three million, one hundred thousand, one hundred thirty-three".