423203164025 has 6 divisors (see below), whose sum is σ = 524771923422. Its totient is φ = 338562531200.

The previous prime is 423203163973. The next prime is 423203164051. The reversal of 423203164025 is 520461302324.

It can be written as a sum of positive squares in 3 ways, for example, as 10494568249 + 412708595776 = 102443^2 + 642424^2 .

It is not a de Polignac number, because 423203164025 - 2⁶ = 423203163961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423203163982 and 423203164000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8464063256 + ... + 8464063305.

It is an arithmetic number, because the mean of its divisors is an integer number (87461987237).

Almost surely, 2^423203164025 is an apocalyptic number.

It is an amenable number.

423203164025 is a deficient number, since it is larger than the sum of its proper divisors (101568759397).

423203164025 is a wasteful number, since it uses less digits than its factorization.

423203164025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16928126571 (or 16928126566 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 423203164025 its reverse (520461302324), we get a palindrome (943664466349).

The spelling of 423203164025 in words is "four hundred twenty-three billion, two hundred three million, one hundred sixty-four thousand, twenty-five".