340313423389 has 2 divisors, whose sum is σ = 340313423390. Its totient is φ = 340313423388.

The previous prime is 340313423381. The next prime is 340313423393. The reversal of 340313423389 is 983324313043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242416400164 + 97897023225 = 492358^2 + 312885^2 .

It is a cyclic number.

It is not a de Polignac number, because 340313423389 - 2³ = 340313423381 is a prime.

It is a super-2 number, since 2×340313423389² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340313423381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170156711694 + 170156711695.

It is an arithmetic number, because the mean of its divisors is an integer number (170156711695).

Almost surely, 2^340313423389 is an apocalyptic number.

It is an amenable number.

340313423389 is a deficient number, since it is larger than the sum of its proper divisors (1).

340313423389 is an equidigital number, since it uses as much as digits as its factorization.

340313423389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 340313423389 in words is "three hundred forty billion, three hundred thirteen million, four hundred twenty-three thousand, three hundred eighty-nine".