423545061612203 has 4 divisors (see below), whose sum is σ = 423889127463648. Its totient is φ = 423200995760760.

The previous prime is 423545061612199. The next prime is 423545061612251. The reversal of 423545061612203 is 302216160545324.

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

It is a cyclic number.

It is not a de Polignac number, because 423545061612203 - 2² = 423545061612199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423545061617203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 172032923876 + ... + 172032926337.

It is an arithmetic number, because the mean of its divisors is an integer number (105972281865912).

Almost surely, 2^{423545061612203} is an apocalyptic number.

423545061612203 is a deficient number, since it is larger than the sum of its proper divisors (344065851445).

423545061612203 is a wasteful number, since it uses less digits than its factorization.

423545061612203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344065851444.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 423545061612203 in words is "four hundred twenty-three trillion, five hundred forty-five billion, sixty-one million, six hundred twelve thousand, two hundred three".