344503332340121 has 2 divisors, whose sum is σ = 344503332340122. Its totient is φ = 344503332340120.

The previous prime is 344503332340081. The next prime is 344503332340127. The reversal of 344503332340121 is 121043233305443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338285490866521 + 6217841473600 = 18392539^2 + 2493560^2 .

It is a cyclic number.

It is not a de Polignac number, because 344503332340121 - 2²² = 344503328145817 is a prime.

It is not a weakly prime, because it can be changed into another prime (344503332340127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172251666170060 + 172251666170061.

It is an arithmetic number, because the mean of its divisors is an integer number (172251666170061).

Almost surely, 2^{344503332340121} is an apocalyptic number.

It is an amenable number.

344503332340121 is a deficient number, since it is larger than the sum of its proper divisors (1).

344503332340121 is an equidigital number, since it uses as much as digits as its factorization.

344503332340121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 344503332340121 its reverse (121043233305443), we get a palindrome (465546565645564).

The spelling of 344503332340121 in words is "three hundred forty-four trillion, five hundred three billion, three hundred thirty-two million, three hundred forty thousand, one hundred twenty-one".