23310140112221 has 2 divisors, whose sum is σ = 23310140112222. Its totient is φ = 23310140112220.

The previous prime is 23310140112209. The next prime is 23310140112277. The reversal of 23310140112221 is 12221104101332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22599432100996 + 710708011225 = 4753886^2 + 843035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23310140112221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23310140132221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655070056110 + 11655070056111.

It is an arithmetic number, because the mean of its divisors is an integer number (11655070056111).

Almost surely, 2^{23310140112221} is an apocalyptic number.

It is an amenable number.

23310140112221 is a deficient number, since it is larger than the sum of its proper divisors (1).

23310140112221 is an equidigital number, since it uses as much as digits as its factorization.

23310140112221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 23310140112221 its reverse (12221104101332), we get a palindrome (35531244213553).

The spelling of 23310140112221 in words is "twenty-three trillion, three hundred ten billion, one hundred forty million, one hundred twelve thousand, two hundred twenty-one".