423220040441 has 8 divisors (see below), whose sum is σ = 462722868000. Its totient is φ = 383888592640.

The previous prime is 423220040431. The next prime is 423220040447. The reversal of 423220040441 is 144040022324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423220040441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423220040441.

It is not an unprimeable number, because it can be changed into a prime (423220040447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42839771 + ... + 42849648.

It is an arithmetic number, because the mean of its divisors is an integer number (57840358500).

Almost surely, 2^423220040441 is an apocalyptic number.

It is an amenable number.

423220040441 is a deficient number, since it is larger than the sum of its proper divisors (39502827559).

423220040441 is a wasteful number, since it uses less digits than its factorization.

423220040441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85689879.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 423220040441 its reverse (144040022324), we get a palindrome (567260062765).

The spelling of 423220040441 in words is "four hundred twenty-three billion, two hundred twenty million, forty thousand, four hundred forty-one".