23313121223 has 4 divisors (see below), whose sum is σ = 26643567120. Its totient is φ = 19982675328.

The previous prime is 23313121219. The next prime is 23313121229. The reversal of 23313121223 is 32212131332.

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

It is not a de Polignac number, because 23313121223 - 2² = 23313121219 is a prime.

It is a super-3 number, since 3×23313121223³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313121229) 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, 1665222938 + ... + 1665222951.

It is an arithmetic number, because the mean of its divisors is an integer number (6660891780).

Almost surely, 2^23313121223 is an apocalyptic number.

23313121223 is a deficient number, since it is larger than the sum of its proper divisors (3330445897).

23313121223 is an equidigital number, since it uses as much as digits as its factorization.

23313121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330445896.

The product of its digits is 1296, while the sum is 23.

Adding to 23313121223 its reverse (32212131332), we get a palindrome (55525252555).

The spelling of 23313121223 in words is "twenty-three billion, three hundred thirteen million, one hundred twenty-one thousand, two hundred twenty-three".