423865086624 has 288 divisors, whose sum is σ = 1467199633536. Its totient is φ = 117830661120.

The previous prime is 423865086599. The next prime is 423865086629. The reversal of 423865086624 is 426680568324.

It is a happy number.

423865086624 is a `hidden beast` number, since 4 + 2 + 3 + 8 + 6 + 5 + 0 + 8 + 6 + 624 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×423865086624² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (423865086629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1908754 + ... + 2119214.

It is an arithmetic number, because the mean of its divisors is an integer number (5094443172).

Almost surely, 2^423865086624 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 423865086624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733599816768).

423865086624 is an abundant number, since it is smaller than the sum of its proper divisors (1043334546912).

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

423865086624 is a wasteful number, since it uses less digits than its factorization.

423865086624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210530 (or 210510 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 54.

The spelling of 423865086624 in words is "four hundred twenty-three billion, eight hundred sixty-five million, eighty-six thousand, six hundred twenty-four".