423221054339 has 2 divisors, whose sum is σ = 423221054340. Its totient is φ = 423221054338.

The previous prime is 423221054317. The next prime is 423221054359. The reversal of 423221054339 is 933450122324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423221054339 - 2¹⁶ = 423220988803 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (423221054359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211610527169 + 211610527170.

It is an arithmetic number, because the mean of its divisors is an integer number (211610527170).

Almost surely, 2^423221054339 is an apocalyptic number.

423221054339 is a deficient number, since it is larger than the sum of its proper divisors (1).

423221054339 is an equidigital number, since it uses as much as digits as its factorization.

423221054339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 423221054339 in words is "four hundred twenty-three billion, two hundred twenty-one million, fifty-four thousand, three hundred thirty-nine".