423496620 has 96 divisors (see below), whose sum is σ = 1320661440. Its totient is φ = 112665600.

The previous prime is 423496609. The next prime is 423496663. The reversal of 423496620 is 26694324.

423496620 is a `hidden beast` number, since 4 + 23 + 4 + 9 + 6 + 620 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352020 + ... + 353220.

It is an arithmetic number, because the mean of its divisors is an integer number (13756890).

Almost surely, 2^423496620 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 423496620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660330720).

423496620 is an abundant number, since it is smaller than the sum of its proper divisors (897164820).

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

423496620 is a wasteful number, since it uses less digits than its factorization.

423496620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 423496620 is about 20579.0335050021. The cubic root of 423496620 is about 750.9597313638.

The spelling of 423496620 in words is "four hundred twenty-three million, four hundred ninety-six thousand, six hundred twenty".