423334420422433 has 8 divisors (see below), whose sum is σ = 460598592245288. Its totient is φ = 386741675119104.

The previous prime is 423334420422421. The next prime is 423334420422437. The reversal of 423334420422433 is 334224024433324.

It can be written as a sum of positive squares in 4 ways, for example, as 18116191841344 + 405218228581089 = 4256312^2 + 20130033^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 423334420422433 - 2¹⁷ = 423334420291361 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 423334420422433.

It is not an unprimeable number, because it can be changed into a prime (423334420422437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167856628566 + ... + 167856631087.

It is an arithmetic number, because the mean of its divisors is an integer number (57574824030661).

Almost surely, 2^{423334420422433} is an apocalyptic number.

It is an amenable number.

423334420422433 is a deficient number, since it is larger than the sum of its proper divisors (37264171822855).

423334420422433 is a wasteful number, since it uses less digits than its factorization.

423334420422433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335713259763.

The product of its (nonzero) digits is 3981312, while the sum is 43.

Adding to 423334420422433 its reverse (334224024433324), we get a palindrome (757558444855757).

The spelling of 423334420422433 in words is "four hundred twenty-three trillion, three hundred thirty-four billion, four hundred twenty million, four hundred twenty-two thousand, four hundred thirty-three".