423001343 has 2 divisors, whose sum is σ = 423001344. Its totient is φ = 423001342.

The previous prime is 423001339. The next prime is 423001357. The reversal of 423001343 is 343100324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423001343 - 2² = 423001339 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 (423001333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211500671 + 211500672.

It is an arithmetic number, because the mean of its divisors is an integer number (211500672).

Almost surely, 2^423001343 is an apocalyptic number.

423001343 is a deficient number, since it is larger than the sum of its proper divisors (1).

423001343 is an equidigital number, since it uses as much as digits as its factorization.

423001343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 423001343 is about 20566.9964506245. The cubic root of 423001343 is about 750.6668693897. Note that the first 3 decimals are identical.

Adding to 423001343 its reverse (343100324), we get a palindrome (766101667).

The spelling of 423001343 in words is "four hundred twenty-three million, one thousand, three hundred forty-three".