423344144121 has 16 divisors (see below), whose sum is σ = 597824074368. Its totient is φ = 265555808000.

The previous prime is 423344144107. The next prime is 423344144129. The reversal of 423344144121 is 121441443324.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 423344144121 - 2⁹ = 423344143609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423344144129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932685 + ... + 1310186.

It is an arithmetic number, because the mean of its divisors is an integer number (37364004648).

Almost surely, 2^423344144121 is an apocalyptic number.

It is an amenable number.

423344144121 is a deficient number, since it is larger than the sum of its proper divisors (174479930247).

423344144121 is a wasteful number, since it uses less digits than its factorization.

423344144121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246592.

The product of its digits is 36864, while the sum is 33.

Adding to 423344144121 its reverse (121441443324), we get a palindrome (544785587445).

The spelling of 423344144121 in words is "four hundred twenty-three billion, three hundred forty-four million, one hundred forty-four thousand, one hundred twenty-one".