423165862144 has 81 divisors (see below), whose sum is σ = 854790821703. Its totient is φ = 209079760896.

The previous prime is 423165862109. The next prime is 423165862157. The reversal of 423165862144 is 441268561324.

The square root of 423165862144 is 650512.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 25115910400 + 398049951744 = 158480^2 + 630912^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423165862094 and 423165862103.

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 8 ways as a sum of consecutive naturals, for example, 1134492742 + ... + 1134493114.

Almost surely, 2^423165862144 is an apocalyptic number.

423165862144 is the 650512-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423165862144

423165862144 is an abundant number, since it is smaller than the sum of its proper divisors (431624959559).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423165862144 is an frugal number, since it uses more digits than its factorization.

423165862144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 484 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 46.

The spelling of 423165862144 in words is "four hundred twenty-three billion, one hundred sixty-five million, eight hundred sixty-two thousand, one hundred forty-four".