423313144000121 has 4 divisors (see below), whose sum is σ = 423343206733044. Its totient is φ = 423283081267200.

The previous prime is 423313144000009. The next prime is 423313144000139. The reversal of 423313144000121 is 121000441313324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 222791118063721 + 200522025936400 = 14926189^2 + 14160580^2 .

It is a cyclic number.

It is not a de Polignac number, because 423313144000121 - 2⁴⁶ = 352944399822457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423313144000141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15031345340 + ... + 15031373501.

It is an arithmetic number, because the mean of its divisors is an integer number (105835801683261).

Almost surely, 2^{423313144000121} is an apocalyptic number.

It is an amenable number.

423313144000121 is a deficient number, since it is larger than the sum of its proper divisors (30062732923).

423313144000121 is a wasteful number, since it uses less digits than its factorization.

423313144000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30062732922.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 423313144000121 its reverse (121000441313324), we get a palindrome (544313585313445).

The spelling of 423313144000121 in words is "four hundred twenty-three trillion, three hundred thirteen billion, one hundred forty-four million, one hundred twenty-one", and thus it is an aban number.