3200123420 has 96 divisors (see below), whose sum is σ = 7400332800. Its totient is φ = 1155181824.

The previous prime is 3200123387. The next prime is 3200123447. The reversal of 3200123420 is 243210023.

3200123420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3481721 + ... + 3482639.

It is an arithmetic number, because the mean of its divisors is an integer number (77086800).

Almost surely, 2^3200123420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3200123420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3700166400).

3200123420 is an abundant number, since it is smaller than the sum of its proper divisors (4200209380).

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

3200123420 is a wasteful number, since it uses less digits than its factorization.

3200123420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3200123420 is about 56569.6333733921. The cubic root of 3200123420 is about 1473.6315443446.

Adding to 3200123420 its reverse (243210023), we get a palindrome (3443333443).

The spelling of 3200123420 in words is "three billion, two hundred million, one hundred twenty-three thousand, four hundred twenty".