340342412323 has 2 divisors, whose sum is σ = 340342412324. Its totient is φ = 340342412322.

The previous prime is 340342412309. The next prime is 340342412353. The reversal of 340342412323 is 323214243043.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340342412323 - 2¹³ = 340342404131 is a prime.

It is a super-3 number, since 3×340342412323³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (340342412353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170171206161 + 170171206162.

It is an arithmetic number, because the mean of its divisors is an integer number (170171206162).

Almost surely, 2^340342412323 is an apocalyptic number.

340342412323 is a deficient number, since it is larger than the sum of its proper divisors (1).

340342412323 is an equidigital number, since it uses as much as digits as its factorization.

340342412323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 340342412323 its reverse (323214243043), we get a palindrome (663556655366).

The spelling of 340342412323 in words is "three hundred forty billion, three hundred forty-two million, four hundred twelve thousand, three hundred twenty-three".