423013320 has 64 divisors (see below), whose sum is σ = 1410048000. Its totient is φ = 112803264.

The previous prime is 423013291. The next prime is 423013333. The reversal of 423013320 is 23310324.

423013320 is a `hidden beast` number, since 42 + 301 + 3 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 423013293 and 423013302.

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, 194760 + ... + 196919.

It is an arithmetic number, because the mean of its divisors is an integer number (22032000).

Almost surely, 2^423013320 is an apocalyptic number.

423013320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423013320 is an abundant number, since it is smaller than the sum of its proper divisors (987034680).

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

423013320 is a wasteful number, since it uses less digits than its factorization.

423013320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391699 (or 391689 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 423013320 is about 20567.2876189351. The cubic root of 423013320 is about 750.6739541996.

Adding to 423013320 its reverse (23310324), we get a palindrome (446323644).

The spelling of 423013320 in words is "four hundred twenty-three million, thirteen thousand, three hundred twenty".