34000123 has 2 divisors, whose sum is σ = 34000124. Its totient is φ = 34000122.

The previous prime is 34000121. The next prime is 34000147. The reversal of 34000123 is 32100043.

It is a weak prime.

It is an emirp because it is prime and its reverse (32100043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34000123 - 2¹ = 34000121 is a prime.

Together with 34000121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (34000121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17000061 + 17000062.

It is an arithmetic number, because the mean of its divisors is an integer number (17000062).

Almost surely, 2^34000123 is an apocalyptic number.

34000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

34000123 is an equidigital number, since it uses as much as digits as its factorization.

34000123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 34000123 is about 5830.9624419987. The cubic root of 34000123 is about 323.9615707863.

Adding to 34000123 its reverse (32100043), we get a palindrome (66100166).

The spelling of 34000123 in words is "thirty-four million, one hundred twenty-three", and thus it is an aban number.