420244441123 has 8 divisors (see below), whose sum is σ = 456025678416. Its totient is φ = 384956738400.

The previous prime is 420244441109. The next prime is 420244441187. The reversal of 420244441123 is 321144442024.

It is a happy number.

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

It is not a de Polignac number, because 420244441123 - 2³⁷ = 282805487651 is a prime.

It is a super-2 number, since 2×420244441123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420244441103) 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, 123381868 + ... + 123385273.

It is an arithmetic number, because the mean of its divisors is an integer number (57003209802).

Almost surely, 2^420244441123 is an apocalyptic number.

420244441123 is a deficient number, since it is larger than the sum of its proper divisors (35781237293).

420244441123 is a wasteful number, since it uses less digits than its factorization.

420244441123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246767285.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 420244441123 its reverse (321144442024), we get a palindrome (741388883147).

Subtracting from 420244441123 its reverse (321144442024), we obtain a palindrome (99099999099).

The spelling of 420244441123 in words is "four hundred twenty billion, two hundred forty-four million, four hundred forty-one thousand, one hundred twenty-three".