423441212329 has 2 divisors, whose sum is σ = 423441212330. Its totient is φ = 423441212328.

The previous prime is 423441212303. The next prime is 423441212371. The reversal of 423441212329 is 923212144324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342193410729 + 81247801600 = 584973^2 + 285040^2 .

It is a cyclic number.

It is not a de Polignac number, because 423441212329 - 2¹⁷ = 423441081257 is a prime.

It is not a weakly prime, because it can be changed into another prime (423441212399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211720606164 + 211720606165.

It is an arithmetic number, because the mean of its divisors is an integer number (211720606165).

Almost surely, 2^423441212329 is an apocalyptic number.

It is an amenable number.

423441212329 is a deficient number, since it is larger than the sum of its proper divisors (1).

423441212329 is an equidigital number, since it uses as much as digits as its factorization.

423441212329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 37.

The spelling of 423441212329 in words is "four hundred twenty-three billion, four hundred forty-one million, two hundred twelve thousand, three hundred twenty-nine".