423140130305 has 8 divisors (see below), whose sum is σ = 508259709672. Its totient is φ = 338184402048.

The previous prime is 423140130289. The next prime is 423140130431. The reversal of 423140130305 is 503031041324.

It can be written as a sum of positive squares in 4 ways, for example, as 180394723441 + 242745406864 = 424729^2 + 492692^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 423140130305 - 2⁴ = 423140130289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40957094 + ... + 40967423.

It is an arithmetic number, because the mean of its divisors is an integer number (63532463709).

Almost surely, 2^423140130305 is an apocalyptic number.

It is an amenable number.

423140130305 is a deficient number, since it is larger than the sum of its proper divisors (85119579367).

423140130305 is a wasteful number, since it uses less digits than its factorization.

423140130305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81925555.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 423140130305 its reverse (503031041324), we get a palindrome (926171171629).

The spelling of 423140130305 in words is "four hundred twenty-three billion, one hundred forty million, one hundred thirty thousand, three hundred five".