23121300213233 has 4 divisors (see below), whose sum is σ = 23222266589940. Its totient is φ = 23020333836528.

The previous prime is 23121300213229. The next prime is 23121300213299. The reversal of 23121300213233 is 33231200312132.

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 11746714313104 + 11374585900129 = 3427348^2 + 3372623^2 .

It is a cyclic number.

It is not a de Polignac number, because 23121300213233 - 2² = 23121300213229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23121300213133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50483188010 + ... + 50483188467.

It is an arithmetic number, because the mean of its divisors is an integer number (5805566647485).

Almost surely, 2^{23121300213233} is an apocalyptic number.

It is an amenable number.

23121300213233 is a deficient number, since it is larger than the sum of its proper divisors (100966376707).

23121300213233 is a wasteful number, since it uses less digits than its factorization.

23121300213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100966376706.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 23121300213233 its reverse (33231200312132), we get a palindrome (56352500525365).

The spelling of 23121300213233 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred million, two hundred thirteen thousand, two hundred thirty-three".