344321123437 has 2 divisors, whose sum is σ = 344321123438. Its totient is φ = 344321123436.

The previous prime is 344321123417. The next prime is 344321123449. The reversal of 344321123437 is 734321123443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341676489961 + 2644633476 = 584531^2 + 51426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344321123437 is a prime.

It is a super-3 number, since 3×344321123437³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344321123396 and 344321123405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344321123417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172160561718 + 172160561719.

It is an arithmetic number, because the mean of its divisors is an integer number (172160561719).

Almost surely, 2^344321123437 is an apocalyptic number.

It is an amenable number.

344321123437 is a deficient number, since it is larger than the sum of its proper divisors (1).

344321123437 is an equidigital number, since it uses as much as digits as its factorization.

344321123437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 37.

The spelling of 344321123437 in words is "three hundred forty-four billion, three hundred twenty-one million, one hundred twenty-three thousand, four hundred thirty-seven".