423005089 has 4 divisors (see below), whose sum is σ = 455543956. Its totient is φ = 390466224.

The previous prime is 423005087. The next prime is 423005111. The reversal of 423005089 is 980500324.

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 61701025 + 361304064 = 7855^2 + 19008^2 .

It is a cyclic number.

It is not a de Polignac number, because 423005089 - 2¹ = 423005087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423005089.

It is not an unprimeable number, because it can be changed into a prime (423005081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16269414 + ... + 16269439.

It is an arithmetic number, because the mean of its divisors is an integer number (113885989).

Almost surely, 2^423005089 is an apocalyptic number.

It is an amenable number.

423005089 is a deficient number, since it is larger than the sum of its proper divisors (32538867).

423005089 is a wasteful number, since it uses less digits than its factorization.

423005089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32538866.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 423005089 is about 20567.0875186547. The cubic root of 423005089 is about 750.6690852927.

The spelling of 423005089 in words is "four hundred twenty-three million, five thousand, eighty-nine".