34123647 has 4 divisors (see below), whose sum is σ = 45498200. Its totient is φ = 22749096.

The previous prime is 34123643. The next prime is 34123667. The reversal of 34123647 is 74632143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74632143 = 3 ⋅24877381.

It is not a de Polignac number, because 34123647 - 2² = 34123643 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 (34123643) 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, 5687272 + ... + 5687277.

It is an arithmetic number, because the mean of its divisors is an integer number (11374550).

Almost surely, 2^34123647 is an apocalyptic number.

34123647 is a deficient number, since it is larger than the sum of its proper divisors (11374553).

34123647 is a wasteful number, since it uses less digits than its factorization.

34123647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11374552.

The product of its digits is 12096, while the sum is 30.

The square root of 34123647 is about 5841.5449155168. The cubic root of 34123647 is about 324.3534190297.

The spelling of 34123647 in words is "thirty-four million, one hundred twenty-three thousand, six hundred forty-seven".