34256012123 has 4 divisors (see below), whose sum is σ = 34257627000. Its totient is φ = 34254397248.

The previous prime is 34256012117. The next prime is 34256012149. The reversal of 34256012123 is 32121065243.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 34256012123 - 2¹⁰ = 34256011099 is a prime.

It is a super-2 number, since 2×34256012123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34256012173) 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, 775190 + ... + 818187.

It is an arithmetic number, because the mean of its divisors is an integer number (8564406750).

Almost surely, 2^34256012123 is an apocalyptic number.

34256012123 is a deficient number, since it is larger than the sum of its proper divisors (1614877).

34256012123 is a wasteful number, since it uses less digits than its factorization.

34256012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614876.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 34256012123 its reverse (32121065243), we get a palindrome (66377077366).

The spelling of 34256012123 in words is "thirty-four billion, two hundred fifty-six million, twelve thousand, one hundred twenty-three".