3200420523 has 4 divisors (see below), whose sum is σ = 4267227368. Its totient is φ = 2133613680.

The previous prime is 3200420513. The next prime is 3200420533. The reversal of 3200420523 is 3250240023.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3200420513) and next prime (3200420533).

It is not a de Polignac number, because 3200420523 - 2⁴ = 3200420507 is a prime.

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 3200420523.

It is not an unprimeable number, because it can be changed into a prime (3200420513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533403418 + ... + 533403423.

It is an arithmetic number, because the mean of its divisors is an integer number (1066806842).

Almost surely, 2^3200420523 is an apocalyptic number.

3200420523 is a deficient number, since it is larger than the sum of its proper divisors (1066806845).

3200420523 is a wasteful number, since it uses less digits than its factorization.

3200420523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066806844.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 3200420523 is about 56572.2593061299. The cubic root of 3200420523 is about 1473.6771474612.

Adding to 3200420523 its reverse (3250240023), we get a palindrome (6450660546).

The spelling of 3200420523 in words is "three billion, two hundred million, four hundred twenty thousand, five hundred twenty-three".