423480163680 has 432 divisors, whose sum is σ = 1722078356544. Its totient is φ = 94433955840.

The previous prime is 423480163663. The next prime is 423480163693. The reversal of 423480163680 is 86361084324.

423480163680 is a `hidden beast` number, since 4 + 2 + 3 + 4 + 8 + 0 + 1 + 636 + 8 + 0 = 666.

It is a super-2 number, since 2×423480163680² (a number of 24 digits) contains 22 as substring.

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 polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2819769 + ... + 2966151.

It is an arithmetic number, because the mean of its divisors is an integer number (3986292492).

Almost surely, 2^423480163680 is an apocalyptic number.

423480163680 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 423480163680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861039178272).

423480163680 is an abundant number, since it is smaller than the sum of its proper divisors (1298598192864).

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

423480163680 is a wasteful number, since it uses less digits than its factorization.

423480163680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146459 (or 146441 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 423480163680 in words is "four hundred twenty-three billion, four hundred eighty million, one hundred sixty-three thousand, six hundred eighty".