23311242340221 has 8 divisors (see below), whose sum is σ = 33907261585824. Its totient is φ = 14128025660720.

The previous prime is 23311242340193. The next prime is 23311242340291. The reversal of 23311242340221 is 12204324211332.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23311242340221 - 2⁵ = 23311242340189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311242340291) 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, 353200641486 + ... + 353200641551.

It is an arithmetic number, because the mean of its divisors is an integer number (4238407698228).

Almost surely, 2^{23311242340221} is an apocalyptic number.

It is an amenable number.

23311242340221 is a deficient number, since it is larger than the sum of its proper divisors (10596019245603).

23311242340221 is a wasteful number, since it uses less digits than its factorization.

23311242340221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706401283051.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 23311242340221 its reverse (12204324211332), we get a palindrome (35515566551553).

The spelling of 23311242340221 in words is "twenty-three trillion, three hundred eleven billion, two hundred forty-two million, three hundred forty thousand, two hundred twenty-one".