423555868 has 6 divisors (see below), whose sum is σ = 741222776. Its totient is φ = 211777932.

The previous prime is 423555863. The next prime is 423555877. The reversal of 423555868 is 868555324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423555863) 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, 52944480 + ... + 52944487.

Almost surely, 2^423555868 is an apocalyptic number.

It is an amenable number.

423555868 is a deficient number, since it is larger than the sum of its proper divisors (317666908).

423555868 is a wasteful number, since it uses less digits than its factorization.

423555868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105888971 (or 105888969 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 46.

The square root of 423555868 is about 20580.4729780440. The cubic root of 423555868 is about 750.9947499726.

The spelling of 423555868 in words is "four hundred twenty-three million, five hundred fifty-five thousand, eight hundred sixty-eight".