423435203144434 has 8 divisors (see below), whose sum is σ = 684010712771820. Its totient is φ = 195431632220496.

The previous prime is 423435203144417. The next prime is 423435203144483. The reversal of 423435203144434 is 434441302534324.

It can be written as a sum of positive squares in 2 ways, for example, as 423410253994225 + 24949150209 = 20576935^2 + 157953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 8142984675829 + ... + 8142984675880.

Almost surely, 2^{423435203144434} is an apocalyptic number.

423435203144434 is a deficient number, since it is larger than the sum of its proper divisors (260575509627386).

423435203144434 is a wasteful number, since it uses less digits than its factorization.

423435203144434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16285969351724.

The product of its (nonzero) digits is 6635520, while the sum is 46.

Adding to 423435203144434 its reverse (434441302534324), we get a palindrome (857876505678758).

The spelling of 423435203144434 in words is "four hundred twenty-three trillion, four hundred thirty-five billion, two hundred three million, one hundred forty-four thousand, four hundred thirty-four".