34123817 has 8 divisors (see below), whose sum is σ = 41998656. Its totient is φ = 26998992.

The previous prime is 34123799. The next prime is 34123819. The reversal of 34123817 is 71832143.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34123817 - 2²⁰ = 33075241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34123817.

It is not an unprimeable number, because it can be changed into a prime (34123819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187403 + ... + 187584.

It is an arithmetic number, because the mean of its divisors is an integer number (5249832).

Almost surely, 2^34123817 is an apocalyptic number.

It is an amenable number.

34123817 is a deficient number, since it is larger than the sum of its proper divisors (7874839).

34123817 is a wasteful number, since it uses less digits than its factorization.

34123817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375007.

The product of its digits is 4032, while the sum is 29.

The square root of 34123817 is about 5841.5594664439. The cubic root of 34123817 is about 324.3539576590.

The spelling of 34123817 in words is "thirty-four million, one hundred twenty-three thousand, eight hundred seventeen".