423342041101021 has 16 divisors (see below), whose sum is σ = 484941515478784. Its totient is φ = 362023092866304.

The previous prime is 423342041101013. The next prime is 423342041101123. The reversal of 423342041101021 is 120101140243324.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 423342041101021 - 2³ = 423342041101013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423342041161021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342756451 + ... + 343989343.

It is an arithmetic number, because the mean of its divisors is an integer number (30308844717424).

Almost surely, 2^{423342041101021} is an apocalyptic number.

It is an amenable number.

423342041101021 is a deficient number, since it is larger than the sum of its proper divisors (61599474377763).

423342041101021 is a wasteful number, since it uses less digits than its factorization.

423342041101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346620.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 423342041101021 its reverse (120101140243324), we get a palindrome (543443181344345).

The spelling of 423342041101021 in words is "four hundred twenty-three trillion, three hundred forty-two billion, forty-one million, one hundred one thousand, twenty-one".