423412320 has 96 divisors (see below), whose sum is σ = 1356445440. Its totient is φ = 110988800.

The previous prime is 423412309. The next prime is 423412333. The reversal of 423412320 is 23214324.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20845 + ... + 35795.

It is an arithmetic number, because the mean of its divisors is an integer number (14129640).

Almost surely, 2^423412320 is an apocalyptic number.

423412320 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 423412320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678222720).

423412320 is an abundant number, since it is smaller than the sum of its proper divisors (933033120).

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

423412320 is a wasteful number, since it uses less digits than its factorization.

423412320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15028 (or 15020 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 423412320 is about 20576.9852019192. The cubic root of 423412320 is about 750.9099001071.

Adding to 423412320 its reverse (23214324), we get a palindrome (446626644).

The spelling of 423412320 in words is "four hundred twenty-three million, four hundred twelve thousand, three hundred twenty".