340342123427 has 2 divisors, whose sum is σ = 340342123428. Its totient is φ = 340342123426.

The previous prime is 340342123417. The next prime is 340342123577. The reversal of 340342123427 is 724321243043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340342123427 - 2¹⁴ = 340342107043 is a prime.

It is not a weakly prime, because it can be changed into another prime (340342123417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170171061713 + 170171061714.

It is an arithmetic number, because the mean of its divisors is an integer number (170171061714).

Almost surely, 2^340342123427 is an apocalyptic number.

340342123427 is a deficient number, since it is larger than the sum of its proper divisors (1).

340342123427 is an equidigital number, since it uses as much as digits as its factorization.

340342123427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 35.

The spelling of 340342123427 in words is "three hundred forty billion, three hundred forty-two million, one hundred twenty-three thousand, four hundred twenty-seven".