3402343121 has 4 divisors (see below), whose sum is σ = 3403412544. Its totient is φ = 3401273700.

The previous prime is 3402343117. The next prime is 3402343141. The reversal of 3402343121 is 1213432043.

3402343121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 3402343121 - 2² = 3402343117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3402343141) 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, 529925 + ... + 536306.

It is an arithmetic number, because the mean of its divisors is an integer number (850853136).

Almost surely, 2^3402343121 is an apocalyptic number.

It is an amenable number.

3402343121 is a deficient number, since it is larger than the sum of its proper divisors (1069423).

3402343121 is a wasteful number, since it uses less digits than its factorization.

3402343121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069422.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3402343121 is about 58329.6075848278. The cubic root of 3402343121 is about 1504.0399422170.

Adding to 3402343121 its reverse (1213432043), we get a palindrome (4615775164).

The spelling of 3402343121 in words is "three billion, four hundred two million, three hundred forty-three thousand, one hundred twenty-one".