423533045633 has 4 divisors (see below), whose sum is σ = 423786811860. Its totient is φ = 423279279408.

The previous prime is 423533045581. The next prime is 423533045669. The reversal of 423533045633 is 336540335324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156980779264 + 266552266369 = 396208^2 + 516287^2 .

It is a cyclic number.

It is not a de Polignac number, because 423533045633 - 2¹² = 423533041537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423533045693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126880610 + ... + 126883947.

It is an arithmetic number, because the mean of its divisors is an integer number (105946702965).

Almost surely, 2^423533045633 is an apocalyptic number.

It is an amenable number.

423533045633 is a deficient number, since it is larger than the sum of its proper divisors (253766227).

423533045633 is a wasteful number, since it uses less digits than its factorization.

423533045633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253766226.

The product of its (nonzero) digits is 1166400, while the sum is 41.

The spelling of 423533045633 in words is "four hundred twenty-three billion, five hundred thirty-three million, forty-five thousand, six hundred thirty-three".