423638160 has 160 divisors (see below), whose sum is σ = 1471727232. Its totient is φ = 99901440.

The previous prime is 423638153. The next prime is 423638161. The reversal of 423638160 is 61836324.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (423638161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95512 + ... + 99848.

Almost surely, 2^423638160 is an apocalyptic number.

423638160 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 423638160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735863616).

423638160 is an abundant number, since it is smaller than the sum of its proper divisors (1048089072).

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

423638160 is a wasteful number, since it uses less digits than its factorization.

423638160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401 (or 4395 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 423638160 is about 20582.4721547243. The cubic root of 423638160 is about 751.0433833507.

The spelling of 423638160 in words is "four hundred twenty-three million, six hundred thirty-eight thousand, one hundred sixty".