34043023421 has 6 divisors (see below), whose sum is σ = 37419191166. Its totient is φ = 30948203000.

The previous prime is 34043023403. The next prime is 34043023433. The reversal of 34043023421 is 12432034043.

It can be written as a sum of positive squares in only one way, i.e., 21824152900 + 12218870521 = 147730^2 + 110539^2 .

It is not a de Polignac number, because 34043023421 - 2¹⁰ = 34043022397 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 (34043023921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140673530 + ... + 140673771.

It is an arithmetic number, because the mean of its divisors is an integer number (6236531861).

Almost surely, 2^34043023421 is an apocalyptic number.

It is an amenable number.

34043023421 is a deficient number, since it is larger than the sum of its proper divisors (3376167745).

34043023421 is a wasteful number, since it uses less digits than its factorization.

34043023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281347323 (or 281347312 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 34043023421 its reverse (12432034043), we get a palindrome (46475057464).

The spelling of 34043023421 in words is "thirty-four billion, forty-three million, twenty-three thousand, four hundred twenty-one".