423014210221 has 2 divisors, whose sum is σ = 423014210222. Its totient is φ = 423014210220.

The previous prime is 423014210197. The next prime is 423014210273. The reversal of 423014210221 is 122012410324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 387524925225 + 35489284996 = 622515^2 + 188386^2 .

It is a cyclic number.

It is not a de Polignac number, because 423014210221 - 2¹³ = 423014202029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423014210192 and 423014210201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423014214221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211507105110 + 211507105111.

It is an arithmetic number, because the mean of its divisors is an integer number (211507105111).

Almost surely, 2^423014210221 is an apocalyptic number.

It is an amenable number.

423014210221 is a deficient number, since it is larger than the sum of its proper divisors (1).

423014210221 is an equidigital number, since it uses as much as digits as its factorization.

423014210221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 423014210221 its reverse (122012410324), we get a palindrome (545026620545).

The spelling of 423014210221 in words is "four hundred twenty-three billion, fourteen million, two hundred ten thousand, two hundred twenty-one".