23323120311221 has 8 divisors (see below), whose sum is σ = 24966765722400. Its totient is φ = 21721086176400.

The previous prime is 23323120311181. The next prime is 23323120311229. The reversal of 23323120311221 is 12211302132332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23323120311221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23323120311229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10402817930 + ... + 10402820171.

It is an arithmetic number, because the mean of its divisors is an integer number (3120845715300).

Almost surely, 2^{23323120311221} is an apocalyptic number.

It is an amenable number.

23323120311221 is a deficient number, since it is larger than the sum of its proper divisors (1643645411179).

23323120311221 is a wasteful number, since it uses less digits than its factorization.

23323120311221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20805638179.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 23323120311221 its reverse (12211302132332), we get a palindrome (35534422443553).

The spelling of 23323120311221 in words is "twenty-three trillion, three hundred twenty-three billion, one hundred twenty million, three hundred eleven thousand, two hundred twenty-one".