340123551240029 has 2 divisors, whose sum is σ = 340123551240030. Its totient is φ = 340123551240028.

The previous prime is 340123551240019. The next prime is 340123551240091. The reversal of 340123551240029 is 920042155321043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231440632727929 + 108682918512100 = 15213173^2 + 10425110^2 .

It is a cyclic number.

It is not a de Polignac number, because 340123551240029 - 2¹² = 340123551235933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340123551240019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170061775620014 + 170061775620015.

It is an arithmetic number, because the mean of its divisors is an integer number (170061775620015).

Almost surely, 2^{340123551240029} is an apocalyptic number.

It is an amenable number.

340123551240029 is a deficient number, since it is larger than the sum of its proper divisors (1).

340123551240029 is an equidigital number, since it uses as much as digits as its factorization.

340123551240029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 340123551240029 in words is "three hundred forty trillion, one hundred twenty-three billion, five hundred fifty-one million, two hundred forty thousand, twenty-nine".