424120112321 has 2 divisors, whose sum is σ = 424120112322. Its totient is φ = 424120112320.

The previous prime is 424120112237. The next prime is 424120112323. The reversal of 424120112321 is 123211021424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418817359921 + 5302752400 = 647161^2 + 72820^2 .

It is a cyclic number.

It is not a de Polignac number, because 424120112321 - 2³⁸ = 149242205377 is a prime.

Together with 424120112323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424120112323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212060056160 + 212060056161.

It is an arithmetic number, because the mean of its divisors is an integer number (212060056161).

Almost surely, 2^424120112321 is an apocalyptic number.

It is an amenable number.

424120112321 is a deficient number, since it is larger than the sum of its proper divisors (1).

424120112321 is an equidigital number, since it uses as much as digits as its factorization.

424120112321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 424120112321 its reverse (123211021424), we get a palindrome (547331133745).

The spelling of 424120112321 in words is "four hundred twenty-four billion, one hundred twenty million, one hundred twelve thousand, three hundred twenty-one".