423322221353 has 2 divisors, whose sum is σ = 423322221354. Its totient is φ = 423322221352.

The previous prime is 423322221247. The next prime is 423322221359. The reversal of 423322221353 is 353122223324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331871622889 + 91450598464 = 576083^2 + 302408^2 .

It is a cyclic number.

It is not a de Polignac number, because 423322221353 - 2⁸ = 423322221097 is a prime.

It is not a weakly prime, because it can be changed into another prime (423322221359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211661110676 + 211661110677.

It is an arithmetic number, because the mean of its divisors is an integer number (211661110677).

Almost surely, 2^423322221353 is an apocalyptic number.

It is an amenable number.

423322221353 is a deficient number, since it is larger than the sum of its proper divisors (1).

423322221353 is an equidigital number, since it uses as much as digits as its factorization.

423322221353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 32.

Adding to 423322221353 its reverse (353122223324), we get a palindrome (776444444677).

The spelling of 423322221353 in words is "four hundred twenty-three billion, three hundred twenty-two million, two hundred twenty-one thousand, three hundred fifty-three".