4235123320 has 32 divisors (see below), whose sum is σ = 9750636720. Its totient is φ = 1654652160.

The previous prime is 4235123293. The next prime is 4235123323. The reversal of 4235123320 is 233215324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4235123323) 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, 1229421 + ... + 1232860.

Almost surely, 2^4235123320 is an apocalyptic number.

4235123320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4235123320 is an abundant number, since it is smaller than the sum of its proper divisors (5515513400).

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

4235123320 is a wasteful number, since it uses less digits than its factorization.

4235123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462335 (or 2462331 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 4235123320 is about 65077.8251019500. The cubic root of 4235123320 is about 1617.9137041224.

Adding to 4235123320 its reverse (233215324), we get a palindrome (4468338644).

The spelling of 4235123320 in words is "four billion, two hundred thirty-five million, one hundred twenty-three thousand, three hundred twenty".