811743343 has 2 divisors, whose sum is σ = 811743344. Its totient is φ = 811743342.

The previous prime is 811743329. The next prime is 811743349. The reversal of 811743343 is 343347118.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 811743343 - 2⁵ = 811743311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 811743299 and 811743308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (811743349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405871671 + 405871672.

It is an arithmetic number, because the mean of its divisors is an integer number (405871672).

Almost surely, 2^811743343 is an apocalyptic number.

811743343 is a deficient number, since it is larger than the sum of its proper divisors (1).

811743343 is an equidigital number, since it uses as much as digits as its factorization.

811743343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 811743343 is about 28491.1098941407. The cubic root of 811743343 is about 932.8380345525.

The spelling of 811743343 in words is "eight hundred eleven million, seven hundred forty-three thousand, three hundred forty-three".