423725889 has 8 divisors (see below), whose sum is σ = 573400480. Its totient is φ = 278267616.

The previous prime is 423725881. The next prime is 423725891. The reversal of 423725889 is 988527324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423725889 - 2³ = 423725881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423725881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053844 + ... + 1054245.

It is an arithmetic number, because the mean of its divisors is an integer number (71675060).

Almost surely, 2^423725889 is an apocalyptic number.

It is an amenable number.

423725889 is a deficient number, since it is larger than the sum of its proper divisors (149674591).

423725889 is a wasteful number, since it uses less digits than its factorization.

423725889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108159.

The product of its digits is 967680, while the sum is 48.

The square root of 423725889 is about 20584.6032023938. The cubic root of 423725889 is about 751.0952229814.

The spelling of 423725889 in words is "four hundred twenty-three million, seven hundred twenty-five thousand, eight hundred eighty-nine".