3423204121 has 4 divisors (see below), whose sum is σ = 3487792932. Its totient is φ = 3358615312.

The previous prime is 3423204091. The next prime is 3423204151. The reversal of 3423204121 is 1214023243.

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 (3423204091) and next prime (3423204151).

It can be written as a sum of positive squares in 2 ways, for example, as 2693610000 + 729594121 = 51900^2 + 27011^2 .

It is a cyclic number.

It is not a de Polignac number, because 3423204121 - 2¹¹ = 3423202073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3423204092 and 3423204101.

It is not an unprimeable number, because it can be changed into a prime (3423204151) 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, 32294326 + ... + 32294431.

It is an arithmetic number, because the mean of its divisors is an integer number (871948233).

Almost surely, 2^3423204121 is an apocalyptic number.

It is an amenable number.

3423204121 is a deficient number, since it is larger than the sum of its proper divisors (64588811).

3423204121 is an equidigital number, since it uses as much as digits as its factorization.

3423204121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64588810.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3423204121 is about 58508.1543120273. The cubic root of 3423204121 is about 1507.1076192304.

Adding to 3423204121 its reverse (1214023243), we get a palindrome (4637227364).

The spelling of 3423204121 in words is "three billion, four hundred twenty-three million, two hundred four thousand, one hundred twenty-one".