34534123213 has 16 divisors (see below), whose sum is σ = 35779864320. Its totient is φ = 33310400256.

The previous prime is 34534123207. The next prime is 34534123229. The reversal of 34534123213 is 31232143543.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34534123213 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 (34534123913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5551681 + ... + 5557897.

It is an arithmetic number, because the mean of its divisors is an integer number (2236241520).

Almost surely, 2^34534123213 is an apocalyptic number.

It is an amenable number.

34534123213 is a deficient number, since it is larger than the sum of its proper divisors (1245741107).

34534123213 is a wasteful number, since it uses less digits than its factorization.

34534123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7956.

The product of its digits is 25920, while the sum is 31.

Adding to 34534123213 its reverse (31232143543), we get a palindrome (65766266756).

The spelling of 34534123213 in words is "thirty-four billion, five hundred thirty-four million, one hundred twenty-three thousand, two hundred thirteen".