423106560 has 144 divisors (see below), whose sum is σ = 1466730720. Its totient is φ = 112803840.

The previous prime is 423106501. The next prime is 423106633. The reversal of 423106560 is 65601324.

423106560 is a `hidden beast` number, since 4 + 2 + 3 + 1 + 0 + 656 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×423106560² = 358038322230067200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89865 + ... + 94455.

It is an arithmetic number, because the mean of its divisors is an integer number (10185630).

Almost surely, 2^423106560 is an apocalyptic number.

423106560 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 423106560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733365360).

423106560 is an abundant number, since it is smaller than the sum of its proper divisors (1043624160).

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

423106560 is a wasteful number, since it uses less digits than its factorization.

423106560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624 (or 4601 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 423106560 is about 20569.5542003224. The cubic root of 423106560 is about 750.7291043129.

Adding to 423106560 its reverse (65601324), we get a palindrome (488707884).

The spelling of 423106560 in words is "four hundred twenty-three million, one hundred six thousand, five hundred sixty".