23312322313221 has 16 divisors (see below), whose sum is σ = 31151140691904. Its totient is φ = 15507546547584.

The previous prime is 23312322313129. The next prime is 23312322313243. The reversal of 23312322313221 is 12231322321332.

It is not a de Polignac number, because 23312322313221 - 2⁹ = 23312322312709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312322363221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1999231 + ... + 7114883.

It is an arithmetic number, because the mean of its divisors is an integer number (1946946293244).

Almost surely, 2^{23312322313221} is an apocalyptic number.

It is an amenable number.

23312322313221 is a deficient number, since it is larger than the sum of its proper divisors (7838818378683).

23312322313221 is a wasteful number, since it uses less digits than its factorization.

23312322313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118980.

The product of its digits is 15552, while the sum is 30.

Adding to 23312322313221 its reverse (12231322321332), we get a palindrome (35543644634553).

The spelling of 23312322313221 in words is "twenty-three trillion, three hundred twelve billion, three hundred twenty-two million, three hundred thirteen thousand, two hundred twenty-one".