3423021121 has 4 divisors (see below), whose sum is σ = 3686330452. Its totient is φ = 3159711792.

The previous prime is 3423021109. The next prime is 3423021143. The reversal of 3423021121 is 1211203243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1211203243 = 541 ⋅2238823.

It can be written as a sum of positive squares in 2 ways, for example, as 324540225 + 3098480896 = 18015^2 + 55664^2 .

It is a cyclic number.

It is not a de Polignac number, because 3423021121 - 2²¹ = 3420923969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3423021101) 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 3 ways as a sum of consecutive naturals, for example, 131654646 + ... + 131654671.

It is an arithmetic number, because the mean of its divisors is an integer number (921582613).

Almost surely, 2^3423021121 is an apocalyptic number.

It is an amenable number.

3423021121 is a deficient number, since it is larger than the sum of its proper divisors (263309331).

3423021121 is a wasteful number, since it uses less digits than its factorization.

3423021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263309330.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3423021121 is about 58506.5904065516. The cubic root of 3423021121 is about 1507.0807627533.

Adding to 3423021121 its reverse (1211203243), we get a palindrome (4634224364).

The spelling of 3423021121 in words is "three billion, four hundred twenty-three million, twenty-one thousand, one hundred twenty-one".