344121042321 has 24 divisors (see below), whose sum is σ = 568187580480. Its totient is φ = 196600874976.

The previous prime is 344121042277. The next prime is 344121042323. The reversal of 344121042321 is 123240121443.

344121042321 is a `hidden beast` number, since 3 + 4 + 4 + 1 + 210 + 423 + 21 = 666.

It is not a de Polignac number, because 344121042321 - 2¹³ = 344121034129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344121042323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235891 + ... + 862488.

It is an arithmetic number, because the mean of its divisors is an integer number (23674482520).

Almost surely, 2^344121042321 is an apocalyptic number.

It is an amenable number.

344121042321 is a deficient number, since it is larger than the sum of its proper divisors (224066538159).

344121042321 is a wasteful number, since it uses less digits than its factorization.

344121042321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103365 (or 1103362 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 344121042321 its reverse (123240121443), we get a palindrome (467361163764).

The spelling of 344121042321 in words is "three hundred forty-four billion, one hundred twenty-one million, forty-two thousand, three hundred twenty-one".