423401120 has 48 divisors (see below), whose sum is σ = 1010634408. Its totient is φ = 167608320.

The previous prime is 423401119. The next prime is 423401129. The reversal of 423401120 is 21104324.

It can be written as a sum of positive squares in 4 ways, for example, as 374345104 + 49056016 = 19348^2 + 7004^2 .

It is not an unprimeable number, because it can be changed into a prime (423401129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1880 + ... + 29160.

Almost surely, 2^423401120 is an apocalyptic number.

423401120 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 423401120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505317204).

423401120 is an abundant number, since it is smaller than the sum of its proper divisors (587233288).

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

423401120 is a wasteful number, since it uses less digits than its factorization.

423401120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27393 (or 27385 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 423401120 is about 20576.7130514084. The cubic root of 423401120 is about 750.9032790865.

Adding to 423401120 its reverse (21104324), we get a palindrome (444505444).

The spelling of 423401120 in words is "four hundred twenty-three million, four hundred one thousand, one hundred twenty".