423001440001 has 6 divisors (see below), whose sum is σ = 492062899650. Its totient is φ = 362572662816.

The previous prime is 423001439983. The next prime is 423001440049. The reversal of 423001440001 is 100044100324.

It can be written as a sum of positive squares in only one way, i.e., 421689189376 + 1312250625 = 649376^2 + 36225^2 .

It is not a de Polignac number, because 423001440001 - 2¹¹ = 423001437953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423001446001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4316341176 + ... + 4316341273.

It is an arithmetic number, because the mean of its divisors is an integer number (82010483275).

Almost surely, 2^423001440001 is an apocalyptic number.

It is an amenable number.

423001440001 is a deficient number, since it is larger than the sum of its proper divisors (69061459649).

423001440001 is an equidigital number, since it uses as much as digits as its factorization.

423001440001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8632682463 (or 8632682456 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 423001440001 its reverse (100044100324), we get a palindrome (523045540325).

The spelling of 423001440001 in words is "four hundred twenty-three billion, one million, four hundred forty thousand, one".