423494967168 has 480 divisors, whose sum is σ = 1578879723960. Its totient is φ = 111689238528.

The previous prime is 423494967149. The next prime is 423494967197. The reversal of 423494967168 is 861769494324.

It is a happy number.

423494967168 is a `hidden beast` number, since 4 + 23 + 494 + 9 + 67 + 1 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6572355 + ... + 6636477.

Almost surely, 2^423494967168 is an apocalyptic number.

423494967168 is a gapful number since it is divisible by the number (48) 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 423494967168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789439861980).

423494967168 is an abundant number, since it is smaller than the sum of its proper divisors (1155384756792).

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

423494967168 is a wasteful number, since it uses less digits than its factorization.

423494967168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64176 (or 64148 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 423494967168 in words is "four hundred twenty-three billion, four hundred ninety-four million, nine hundred sixty-seven thousand, one hundred sixty-eight".