423561598 has 4 divisors (see below), whose sum is σ = 635342400. Its totient is φ = 211780798.

The previous prime is 423561577. The next prime is 423561643. The reversal of 423561598 is 895165324.

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

It is a congruent number.

It is an unprimeable number.

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, 105890398 + ... + 105890401.

It is an arithmetic number, because the mean of its divisors is an integer number (158835600).

Almost surely, 2^423561598 is an apocalyptic number.

423561598 is a deficient number, since it is larger than the sum of its proper divisors (211780802).

423561598 is a wasteful number, since it uses less digits than its factorization.

423561598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211780801.

The product of its digits is 259200, while the sum is 43.

The square root of 423561598 is about 20580.6121872018. The cubic root of 423561598 is about 750.9981365235.

The spelling of 423561598 in words is "four hundred twenty-three million, five hundred sixty-one thousand, five hundred ninety-eight".