23121203323 has 4 divisors (see below), whose sum is σ = 23217142168. Its totient is φ = 23025264480.

The previous prime is 23121203251. The next prime is 23121203351. The reversal of 23121203323 is 32330212132.

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 23121203323 - 2²⁵ = 23087648891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23121203294 and 23121203303.

It is not an unprimeable number, because it can be changed into a prime (23121203363) 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, 47969061 + ... + 47969542.

It is an arithmetic number, because the mean of its divisors is an integer number (5804285542).

Almost surely, 2^23121203323 is an apocalyptic number.

23121203323 is a deficient number, since it is larger than the sum of its proper divisors (95938845).

23121203323 is an equidigital number, since it uses as much as digits as its factorization.

23121203323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95938844.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23121203323 its reverse (32330212132), we get a palindrome (55451415455).

The spelling of 23121203323 in words is "twenty-three billion, one hundred twenty-one million, two hundred three thousand, three hundred twenty-three".