420442344334123 has 8 divisors (see below), whose sum is σ = 420933009573360. Its totient is φ = 419951681909760.

The previous prime is 420442344334057. The next prime is 420442344334127. The reversal of 420442344334123 is 321433443244024.

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 420442344334123 - 2¹³ = 420442344325931 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 420442344334123.

It is not an unprimeable number, because it can be changed into a prime (420442344334127) 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, 542034003 + ... + 542809123.

It is an arithmetic number, because the mean of its divisors is an integer number (52616626196670).

Almost surely, 2^{420442344334123} is an apocalyptic number.

420442344334123 is a deficient number, since it is larger than the sum of its proper divisors (490665239237).

420442344334123 is an equidigital number, since it uses as much as digits as its factorization.

420442344334123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407437.

The product of its (nonzero) digits is 2654208, while the sum is 43.

Adding to 420442344334123 its reverse (321433443244024), we get a palindrome (741875787578147).

The spelling of 420442344334123 in words is "four hundred twenty trillion, four hundred forty-two billion, three hundred forty-four million, three hundred thirty-four thousand, one hundred twenty-three".