4223423040 has 56 divisors (see below), whose sum is σ = 13409371200. Its totient is φ = 1126245888.

The previous prime is 4223423011. The next prime is 4223423081. The reversal of 4223423040 is 403243224.

4223423040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4223423040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2198740 + ... + 2200659.

Almost surely, 2^4223423040 is an apocalyptic number.

4223423040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4223423040 is an abundant number, since it is smaller than the sum of its proper divisors (9185948160).

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

4223423040 is a wasteful number, since it uses less digits than its factorization.

4223423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4399419 (or 4399409 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 4223423040 is about 64987.8684063418. The cubic root of 4223423040 is about 1616.4224053445.

Adding to 4223423040 its reverse (403243224), we get a palindrome (4626666264).

The spelling of 4223423040 in words is "four billion, two hundred twenty-three million, four hundred twenty-three thousand, forty".