814231343 has 2 divisors, whose sum is σ = 814231344. Its totient is φ = 814231342.

The previous prime is 814231321. The next prime is 814231351. The reversal of 814231343 is 343132418.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 814231343 - 2⁶ = 814231279 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (814231043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407115671 + 407115672.

It is an arithmetic number, because the mean of its divisors is an integer number (407115672).

Almost surely, 2^814231343 is an apocalyptic number.

814231343 is a deficient number, since it is larger than the sum of its proper divisors (1).

814231343 is an equidigital number, since it uses as much as digits as its factorization.

814231343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 814231343 is about 28534.7392313299. The cubic root of 814231343 is about 933.7901145770.

The spelling of 814231343 in words is "eight hundred fourteen million, two hundred thirty-one thousand, three hundred forty-three".