434123313400243 has 2 divisors, whose sum is σ = 434123313400244. Its totient is φ = 434123313400242.

The previous prime is 434123313400219. The next prime is 434123313400291. The reversal of 434123313400243 is 342004313321434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434123313400243 - 2³³ = 434114723465651 is a prime.

It is not a weakly prime, because it can be changed into another prime (434123313400213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217061656700121 + 217061656700122.

It is an arithmetic number, because the mean of its divisors is an integer number (217061656700122).

Almost surely, 2^{434123313400243} is an apocalyptic number.

434123313400243 is a deficient number, since it is larger than the sum of its proper divisors (1).

434123313400243 is an equidigital number, since it uses as much as digits as its factorization.

434123313400243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 434123313400243 its reverse (342004313321434), we get a palindrome (776127626721677).

The spelling of 434123313400243 in words is "four hundred thirty-four trillion, one hundred twenty-three billion, three hundred thirteen million, four hundred thousand, two hundred forty-three".