423402412225 has 12 divisors (see below), whose sum is σ = 565405067836. Its totient is φ = 312666396480.

The previous prime is 423402412157. The next prime is 423402412271. The reversal of 423402412225 is 522214204324.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 180100930689 + 243301481536 = 424383^2 + 493256^2 .

It is not a de Polignac number, because 423402412225 - 2⁹ = 423402411713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651388002 + ... + 651388651.

Almost surely, 2^423402412225 is an apocalyptic number.

It is an amenable number.

423402412225 is a deficient number, since it is larger than the sum of its proper divisors (142002655611).

423402412225 is a wasteful number, since it uses less digits than its factorization.

423402412225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302776676 (or 1302776671 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 423402412225 its reverse (522214204324), we get a palindrome (945616616549).

The spelling of 423402412225 in words is "four hundred twenty-three billion, four hundred two million, four hundred twelve thousand, two hundred twenty-five".