423525453187 has 2 divisors, whose sum is σ = 423525453188. Its totient is φ = 423525453186.

The previous prime is 423525453179. The next prime is 423525453229. The reversal of 423525453187 is 781354525324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423525453187 - 2³ = 423525453179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423525453187.

It is not a weakly prime, because it can be changed into another prime (423525453487) 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 as a sum of consecutive naturals, namely, 211762726593 + 211762726594.

It is an arithmetic number, because the mean of its divisors is an integer number (211762726594).

Almost surely, 2^423525453187 is an apocalyptic number.

423525453187 is a deficient number, since it is larger than the sum of its proper divisors (1).

423525453187 is an equidigital number, since it uses as much as digits as its factorization.

423525453187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032000, while the sum is 49.

The spelling of 423525453187 in words is "four hundred twenty-three billion, five hundred twenty-five million, four hundred fifty-three thousand, one hundred eighty-seven".