23134342002221 has 2 divisors, whose sum is σ = 23134342002222. Its totient is φ = 23134342002220.

The previous prime is 23134342002203. The next prime is 23134342002271. The reversal of 23134342002221 is 12220024343132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17680856029321 + 5453485972900 = 4204861^2 + 2335270^2 .

It is a cyclic number.

It is not a de Polignac number, because 23134342002221 - 2²⁶ = 23134274893357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23134342002271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11567171001110 + 11567171001111.

It is an arithmetic number, because the mean of its divisors is an integer number (11567171001111).

Almost surely, 2^{23134342002221} is an apocalyptic number.

It is an amenable number.

23134342002221 is a deficient number, since it is larger than the sum of its proper divisors (1).

23134342002221 is an equidigital number, since it uses as much as digits as its factorization.

23134342002221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 23134342002221 its reverse (12220024343132), we get a palindrome (35354366345353).

The spelling of 23134342002221 in words is "twenty-three trillion, one hundred thirty-four billion, three hundred forty-two million, two thousand, two hundred twenty-one".