430420323421555 has 32 divisors (see below), whose sum is σ = 547058561011200. Its totient is φ = 324417626429952.

The previous prime is 430420323421499. The next prime is 430420323421577. The reversal of 430420323421555 is 555124323024034.

It is a cyclic number.

It is not a de Polignac number, because 430420323421555 - 2¹⁵ = 430420323388787 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76562076 + ... + 81991414.

It is an arithmetic number, because the mean of its divisors is an integer number (17095580031600).

Almost surely, 2^{430420323421555} is an apocalyptic number.

430420323421555 is a deficient number, since it is larger than the sum of its proper divisors (116638237589645).

430420323421555 is a wasteful number, since it uses less digits than its factorization.

430420323421555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439723.

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 430420323421555 its reverse (555124323024034), we get a palindrome (985544646445589).

The spelling of 430420323421555 in words is "four hundred thirty trillion, four hundred twenty billion, three hundred twenty-three million, four hundred twenty-one thousand, five hundred fifty-five".