423538044575 has 24 divisors (see below), whose sum is σ = 534395558400. Its totient is φ = 332896145760.

The previous prime is 423538044563. The next prime is 423538044607. The reversal of 423538044575 is 575440835324.

It is not a de Polignac number, because 423538044575 - 2⁶ = 423538044511 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2512904 + ... + 2676146.

It is an arithmetic number, because the mean of its divisors is an integer number (22266481600).

Almost surely, 2^423538044575 is an apocalyptic number.

423538044575 is a deficient number, since it is larger than the sum of its proper divisors (110857513825).

423538044575 is a wasteful number, since it uses less digits than its factorization.

423538044575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165071 (or 165066 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 50.

Adding to 423538044575 its reverse (575440835324), we get a palindrome (998978879899).

The spelling of 423538044575 in words is "four hundred twenty-three billion, five hundred thirty-eight million, forty-four thousand, five hundred seventy-five".