423242505455 has 16 divisors (see below), whose sum is σ = 633214761984. Its totient is φ = 263839483680.

The previous prime is 423242505419. The next prime is 423242505527. The reversal of 423242505455 is 554505242324.

It is not a de Polignac number, because 423242505455 - 2²⁴ = 423225728239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549665207 + ... + 549665976.

It is an arithmetic number, because the mean of its divisors is an integer number (39575922624).

Almost surely, 2^423242505455 is an apocalyptic number.

423242505455 is a deficient number, since it is larger than the sum of its proper divisors (209972256529).

423242505455 is a wasteful number, since it uses less digits than its factorization.

423242505455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099331206.

The product of its (nonzero) digits is 960000, while the sum is 41.

Adding to 423242505455 its reverse (554505242324), we get a palindrome (977747747779).

The spelling of 423242505455 in words is "four hundred twenty-three billion, two hundred forty-two million, five hundred five thousand, four hundred fifty-five".