423634365660 has 288 divisors, whose sum is σ = 1336530134016. Its totient is φ = 100153152000.

The previous prime is 423634365647. The next prime is 423634365689. The reversal of 423634365660 is 66563436324.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 49124109 + ... + 49132731.

It is an arithmetic number, because the mean of its divisors is an integer number (4640729632).

Almost surely, 2^423634365660 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 423634365660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668265067008).

423634365660 is an abundant number, since it is smaller than the sum of its proper divisors (912895768356).

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

423634365660 is a wasteful number, since it uses less digits than its factorization.

423634365660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8825 (or 8812 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 48.

The spelling of 423634365660 in words is "four hundred twenty-three billion, six hundred thirty-four million, three hundred sixty-five thousand, six hundred sixty".