2423344342221 has 48 divisors (see below), whose sum is σ = 3988280387520. Its totient is φ = 1404778671360.

The previous prime is 2423344342207. The next prime is 2423344342231. The reversal of 2423344342221 is 1222434433242.

2423344342221 is a `hidden beast` number, since 2 + 423 + 3 + 4 + 4 + 3 + 4 + 2 + 221 = 666.

It is not a de Polignac number, because 2423344342221 - 2⁹ = 2423344341709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423344342231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5390440 + ... + 5822673.

It is an arithmetic number, because the mean of its divisors is an integer number (83089174740).

Almost surely, 2^{2423344342221} is an apocalyptic number.

It is an amenable number.

2423344342221 is a deficient number, since it is larger than the sum of its proper divisors (1564936045299).

2423344342221 is a wasteful number, since it uses less digits than its factorization.

2423344342221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11213226 (or 11213223 counting only the distinct ones).

The product of its digits is 221184, while the sum is 36.

Adding to 2423344342221 its reverse (1222434433242), we get a palindrome (3645778775463).

The spelling of 2423344342221 in words is "two trillion, four hundred twenty-three billion, three hundred forty-four million, three hundred forty-two thousand, two hundred twenty-one".