434423012105 has 4 divisors (see below), whose sum is σ = 521307614532. Its totient is φ = 347538409680.

The previous prime is 434423012063. The next prime is 434423012119. The reversal of 434423012105 is 501210324434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501210324434 = 2 ⋅250605162217.

It can be written as a sum of positive squares in 2 ways, for example, as 321537763849 + 112885248256 = 567043^2 + 335984^2 .

It is not a de Polignac number, because 434423012105 - 2¹⁸ = 434422749961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43442301206 + ... + 43442301215.

It is an arithmetic number, because the mean of its divisors is an integer number (130326903633).

Almost surely, 2^434423012105 is an apocalyptic number.

It is an amenable number.

434423012105 is a deficient number, since it is larger than the sum of its proper divisors (86884602427).

434423012105 is an equidigital number, since it uses as much as digits as its factorization.

434423012105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86884602426.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 434423012105 its reverse (501210324434), we get a palindrome (935633336539).

The spelling of 434423012105 in words is "four hundred thirty-four billion, four hundred twenty-three million, twelve thousand, one hundred five".