343044121373 has 2 divisors, whose sum is σ = 343044121374. Its totient is φ = 343044121372.

The previous prime is 343044121361. The next prime is 343044121411. The reversal of 343044121373 is 373121440343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328537605124 + 14506516249 = 573182^2 + 120443^2 .

It is a cyclic number.

It is not a de Polignac number, because 343044121373 - 2³⁶ = 274324644637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343044121073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171522060686 + 171522060687.

It is an arithmetic number, because the mean of its divisors is an integer number (171522060687).

Almost surely, 2^343044121373 is an apocalyptic number.

It is an amenable number.

343044121373 is a deficient number, since it is larger than the sum of its proper divisors (1).

343044121373 is an equidigital number, since it uses as much as digits as its factorization.

343044121373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 343044121373 in words is "three hundred forty-three billion, forty-four million, one hundred twenty-one thousand, three hundred seventy-three".