423402442244 has 6 divisors (see below), whose sum is σ = 740954273934. Its totient is φ = 211701221120.

The previous prime is 423402442241. The next prime is 423402442259. The reversal of 423402442244 is 442244204324.

It can be written as a sum of positive squares in only one way, i.e., 412469648644 + 10932793600 = 642238^2 + 104560^2 .

It is not an unprimeable number, because it can be changed into a prime (423402442241) by changing a digit.

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 as a sum of consecutive naturals, namely, 52925305277 + ... + 52925305284.

It is an arithmetic number, because the mean of its divisors is an integer number (123492378989).

Almost surely, 2^423402442244 is an apocalyptic number.

It is an amenable number.

423402442244 is a deficient number, since it is larger than the sum of its proper divisors (317551831690).

423402442244 is a wasteful number, since it uses less digits than its factorization.

423402442244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105850610565 (or 105850610563 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 423402442244 its reverse (442244204324), we get a palindrome (865646646568).

The spelling of 423402442244 in words is "four hundred twenty-three billion, four hundred two million, four hundred forty-two thousand, two hundred forty-four".