423440012204043 has 4 divisors (see below), whose sum is σ = 564586682938728. Its totient is φ = 282293341469360.

The previous prime is 423440012204021. The next prime is 423440012204081. The reversal of 423440012204043 is 340402210044324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423440012204043 - 2³² = 423435717236747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423440012203995 and 423440012204013.

It is not an unprimeable number, because it can be changed into a prime (423440012208043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70573335367338 + ... + 70573335367343.

It is an arithmetic number, because the mean of its divisors is an integer number (141146670734682).

Almost surely, 2^{423440012204043} is an apocalyptic number.

423440012204043 is a deficient number, since it is larger than the sum of its proper divisors (141146670734685).

423440012204043 is a wasteful number, since it uses less digits than its factorization.

423440012204043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141146670734684.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 423440012204043 its reverse (340402210044324), we get a palindrome (763842222248367).

The spelling of 423440012204043 in words is "four hundred twenty-three trillion, four hundred forty billion, twelve million, two hundred four thousand, forty-three".