3200320423 has 4 divisors (see below), whose sum is σ = 3368758360. Its totient is φ = 3031882488.

The previous prime is 3200320393. The next prime is 3200320463. The reversal of 3200320423 is 3240230023.

3200320423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3240230023 = 6679 ⋅485137.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3200320423 is a prime.

It is a super-3 number, since 3×3200320423³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 168437917 = 3200320423 / (3 + 2 + 0 + 0 + 3 + 2 + 0 + 4 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3200320423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200320463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84218940 + ... + 84218977.

It is an arithmetic number, because the mean of its divisors is an integer number (842189590).

Almost surely, 2^3200320423 is an apocalyptic number.

3200320423 is a deficient number, since it is larger than the sum of its proper divisors (168437937).

3200320423 is a wasteful number, since it uses less digits than its factorization.

3200320423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168437936.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 3200320423 is about 56571.3745899815. The cubic root of 3200320423 is about 1473.6617831656.

Adding to 3200320423 its reverse (3240230023), we get a palindrome (6440550446).

The spelling of 3200320423 in words is "three billion, two hundred million, three hundred twenty thousand, four hundred twenty-three".