343671823447 has 2 divisors, whose sum is σ = 343671823448. Its totient is φ = 343671823446.

The previous prime is 343671823367. The next prime is 343671823487. The reversal of 343671823447 is 744328176343.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343671823447 is a prime.

It is a super-2 number, since 2×343671823447² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343671823394 and 343671823403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343671823487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171835911723 + 171835911724.

It is an arithmetic number, because the mean of its divisors is an integer number (171835911724).

Almost surely, 2^343671823447 is an apocalyptic number.

343671823447 is a deficient number, since it is larger than the sum of its proper divisors (1).

343671823447 is an equidigital number, since it uses as much as digits as its factorization.

343671823447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 52.

The spelling of 343671823447 in words is "three hundred forty-three billion, six hundred seventy-one million, eight hundred twenty-three thousand, four hundred forty-seven".