34001023121 has 4 divisors (see below), whose sum is σ = 36616486452. Its totient is φ = 31385559792.

The previous prime is 34001023099. The next prime is 34001023139. The reversal of 34001023121 is 12132010043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11596920721 + 22404102400 = 107689^2 + 149680^2 .

It is a cyclic number.

It is not a de Polignac number, because 34001023121 - 2²⁶ = 33933914257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34001023121.

It is not an unprimeable number, because it can be changed into a prime (34001023141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1307731646 + ... + 1307731671.

It is an arithmetic number, because the mean of its divisors is an integer number (9154121613).

Almost surely, 2^34001023121 is an apocalyptic number.

It is an amenable number.

34001023121 is a deficient number, since it is larger than the sum of its proper divisors (2615463331).

34001023121 is a wasteful number, since it uses less digits than its factorization.

34001023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615463330.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 34001023121 its reverse (12132010043), we get a palindrome (46133033164).

The spelling of 34001023121 in words is "thirty-four billion, one million, twenty-three thousand, one hundred twenty-one".