423508266720 has 1440 divisors, whose sum is σ = 1925391238848. Its totient is φ = 85764096000.

The previous prime is 423508266703. The next prime is 423508266733. The reversal of 423508266720 is 27662805324.

423508266720 is a `hidden beast` number, since 42 + 3 + 508 + 26 + 67 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 239 ways as a sum of consecutive naturals, for example, 450061450 + ... + 450062390.

Almost surely, 2^423508266720 is an apocalyptic number.

423508266720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423508266720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962695619424).

423508266720 is an abundant number, since it is smaller than the sum of its proper divisors (1501882972128).

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

423508266720 is a wasteful number, since it uses less digits than its factorization.

423508266720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 423508266720 in words is "four hundred twenty-three billion, five hundred eight million, two hundred sixty-six thousand, seven hundred twenty".