423580885616 has 40 divisors (see below), whose sum is σ = 968184889344. Its totient is φ = 175678706880.

The previous prime is 423580885613. The next prime is 423580885621. The reversal of 423580885616 is 616588085324.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423580885613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60996080 + ... + 61003023.

Almost surely, 2^423580885616 is an apocalyptic number.

It is an amenable number.

423580885616 is an abundant number, since it is smaller than the sum of its proper divisors (544604003728).

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

423580885616 is a wasteful number, since it uses less digits than its factorization.

423580885616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121999149 (or 121999143 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 56.

The spelling of 423580885616 in words is "four hundred twenty-three billion, five hundred eighty million, eight hundred eighty-five thousand, six hundred sixteen".