423680460 has 240 divisors, whose sum is σ = 1473818976. Its totient is φ = 90617856.

The previous prime is 423680437. The next prime is 423680461. The reversal of 423680460 is 64086324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423680461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2448934 + ... + 2449106.

Almost surely, 2^423680460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423680460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736909488).

423680460 is an abundant number, since it is smaller than the sum of its proper divisors (1050138516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423680460 is a wasteful number, since it uses less digits than its factorization.

423680460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 423680460 is about 20583.4997024316. The cubic root of 423680460 is about 751.0683795863.

The spelling of 423680460 in words is "four hundred twenty-three million, six hundred eighty thousand, four hundred sixty".