423866648 has 16 divisors (see below), whose sum is σ = 795795000. Its totient is φ = 211654656.

The previous prime is 423866647. The next prime is 423866659. The reversal of 423866648 is 846668324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423866647) 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, 28298 + ... + 40601.

Almost surely, 2^423866648 is an apocalyptic number.

It is an amenable number.

423866648 is a deficient number, since it is larger than the sum of its proper divisors (371928352).

423866648 is a wasteful number, since it uses less digits than its factorization.

423866648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69674 (or 69670 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 47.

The square root of 423866648 is about 20588.0219545249. The cubic root of 423866648 is about 751.1783834322.

The spelling of 423866648 in words is "four hundred twenty-three million, eight hundred sixty-six thousand, six hundred forty-eight".