3423130021 has 4 divisors (see below), whose sum is σ = 3423287200. Its totient is φ = 3422972844.

The previous prime is 3423129989. The next prime is 3423130033. The reversal of 3423130021 is 1200313243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1200313243 = 15377 ⋅78059.

It is a cyclic number.

It is not a de Polignac number, because 3423130021 - 2⁵ = 3423129989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3423130091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39411 + ... + 91648.

It is an arithmetic number, because the mean of its divisors is an integer number (855821800).

Almost surely, 2^3423130021 is an apocalyptic number.

It is an amenable number.

3423130021 is a deficient number, since it is larger than the sum of its proper divisors (157179).

3423130021 is a wasteful number, since it uses less digits than its factorization.

3423130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157178.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3423130021 is about 58507.5210635351. The cubic root of 3423130021 is about 1507.0967446739.

Adding to 3423130021 its reverse (1200313243), we get a palindrome (4623443264).

The spelling of 3423130021 in words is "three billion, four hundred twenty-three million, one hundred thirty thousand, twenty-one".