4023320 has 32 divisors (see below), whose sum is σ = 10346400. Its totient is φ = 1379328.

The previous prime is 4023319. The next prime is 4023323. The reversal of 4023320 is 233204.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 4023295 and 4023304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6905 + ... + 7464.

It is an arithmetic number, because the mean of its divisors is an integer number (323325).

Almost surely, 2^4023320 is an apocalyptic number.

4023320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4023320 is an abundant number, since it is smaller than the sum of its proper divisors (6323080).

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

4023320 is a wasteful number, since it uses less digits than its factorization.

4023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14387 (or 14383 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 4023320 is about 2005.8215274545. The cubic root of 4023320 is about 159.0479925797.

Adding to 4023320 its reverse (233204), we get a palindrome (4256524).

The spelling of 4023320 in words is "four million, twenty-three thousand, three hundred twenty".