3423143521 has 16 divisors (see below), whose sum is σ = 4138193664. Its totient is φ = 2768097024.

The previous prime is 3423143491. The next prime is 3423143551. The reversal of 3423143521 is 1253413243.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3423143491) and next prime (3423143551).

It is not a de Polignac number, because 3423143521 - 2¹⁵ = 3423110753 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 3423143521.

It is not an unprimeable number, because it can be changed into a prime (3423143551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133876 + ... + 157381.

It is an arithmetic number, because the mean of its divisors is an integer number (258637104).

Almost surely, 2^3423143521 is an apocalyptic number.

It is an amenable number.

3423143521 is a deficient number, since it is larger than the sum of its proper divisors (715050143).

3423143521 is a wasteful number, since it uses less digits than its factorization.

3423143521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291360.

The product of its digits is 8640, while the sum is 28.

The square root of 3423143521 is about 58507.6364332042. The cubic root of 3423143521 is about 1507.0987258801.

Adding to 3423143521 its reverse (1253413243), we get a palindrome (4676556764).

The spelling of 3423143521 in words is "three billion, four hundred twenty-three million, one hundred forty-three thousand, five hundred twenty-one".